How Often To Change Betta Water Without Filter?

How Often to Change Betta Fish Water

/ / How to Change the Water in a Betta Fish Tank |How Frequently Should Betta Fish Water Be Changed?The most crucial component in the long-term health of your betta fish is learning how to change the water in your tank on a regular basis and how to do it properly and efficiently.High ammonia and nitrate levels created by waste are not apparent, but they can cause considerable stress and injury to you and your bettta’s health.This article will explain in detail how frequently you should replace the water in your betta fish tank, as well as how to change the water in your tank without injuring your betta fish in very simple stages.

In addition, a video is given to illustrate the cleaning procedure.

How Often To Change your Betta Fish Water

  • Betta Fish Water Change | How to Change Betta Fish Water (with Pictures) The frequency with which to change the water for Betta Fish The most crucial component in the long-term health of your betta fish is learning how to change the water in your tank on a regular basis and how to do it properly and effectively. Even while high amounts of ammonia and nitrate created by waste aren’t visible, they can cause considerable stress to you and your betta. When and how frequently to replace your betta fish’s water will be explained in detail in this article, along with step-by-step instructions on how to do so without damaging your fish. An instructional film is also included to show the cleaning procedure.

General Rules of thumb for how often to change a fish tank

  • It is recommended that you replace 30-50 percent of the water in your Betta’s bowl every week if you keep it in an unfiltered container. The smaller the bowl, the more water should be changed.
  • It is only necessary to replace roughly 20% of the water in your Betta’s tank once a week if he or she is housed in a filtration system.

The water in an unfiltered bowl should be changed 30-50 percent every week if you are keeping your Betta in it. The smaller your Betta’s bowl is, the more water it requires.
It is only necessary to replace roughly 20% of the water in your Betta’s tank once a week if it is kept in a filtration system.

Items you will need for the water change:

  • 1 (or 2) buckets of water 1 clean bucket to be used to contain the new water that will be introduced to the tank It is critical to ensure that it has never been exposed to any type of cleaning agents.
  • A second bucket for the dirty water, which does not need to be clean because it will be disposed of. You may even water your plants using a watering can, if that is what you want.
  • A cleaning of the tank siphon — a customized siphon for emptying water from a fish tank while also allowing it to ″vacuum″ the waste from the bottom – all without putting your fish under undue stress. The precise siphon I use, as well as a video on how to use it, may be seen at the bottom of this page.
  • Water conditioners are used to eliminate chlorine from the water that comes out of your faucet at home. Water conditioner, such as Tetra BettaSafe Water Conditioner, may be purchased at almost any pet store or online.
  • To ensure that the new water is the proper temperature before adding it back in, use a tank thermometer (which you should already have).

How to change betta fish water in your tank in 3 easy steps:

You don’t just throw out a quantity of water and then fill the container with fresh tap water, do you? Of course not, as this would put a great deal of stress on your Betta Fish.

Step1 – Remove the Old Water

  • All of these procedures may be completed without the need to remove your Betta Fish. These are small, gradual measures that will not cause undue stress to your fish. The only time you should have to remove your fish is if something serious happened to the tank water and you need to perform a complete water change. Removing the tank lid will allow you to check that any filters, lights, or heaters that were previously put in are no longer plugged in as a safety precaution.
  • Locate and position the catching container near the tank
  • Remove any ornamental things from the bottom of the tank, such as huge boulders, buildings, or other structures.
  • Suction tubes and hoses should be placed directly in the tank
  • however, certain tubes can be activated in a siphon action by allowing them to fill with water and then shaking them lightly to encourage the water to flow. The hard approach, if you don’t have one of these, is to suck the end of the hose that isn’t in the tank sufficiently to cause the water to start flowing up and out from the bottom of the tank. It’s important to remove it from your mouth and place it in the catch bucket before it reaches your lips.
  • Drag the suction hose over the tank gravel — what you are doing here is bobbing the hose up and down across all of the gravel in the tank at a 45-degree angle, which is what you want. Because it will suck up and remove decaying uneaten fish food that has accumulated in the gravel, it will assist to create a healthier tank. However, be careful not to remove too much water – just the quantity specified above in relation to your tank configuration should be removed.. The beneficial bacteria present in the residual water in the tank are essential for maintaining a healthy environment in the tank. As soon as you have finished draining the tank water, you may flush it down the toilet.

Step2 – Prepare the new water

  • You can begin this step either at the time of cleaning or before cleaning: Pour water into a very clean bucket or container, making sure to pick a ″clean″ bucket or container that is large enough to carry the amount of water you need to replenish in the tank. It is just for this purpose that I use the same clean container, so it is never mistaken for a cleaning bucket for home tasks, which may include some form of hazardous residue from cleaners.
  • As you fill the tank, try to keep an eye on the temperature
  • you want it to be as near to 78 degrees as possible. Check the temperature using your thermometer. Warm or cool water can be added as needed to achieve the desired temperature.

Use a water conditioner to treat the water because our tap water contains a number of contaminants that are harmful to fish, such as fluoride and chlorine. Water conditioner will take care of this, and it can be purchased at any pet store with relative ease.

Step3 – Add the new water to the tank

  • Remove fluoride and chlorine from your tap water by using a water conditioner. Fluoride and chlorine are two contaminants in our tap water that are harmful to fish. Water conditioner will take care of this, and it can be purchased at any pet store with no difficulty.

About The Author

Do Betta Fish Need A Filter?

It is dependent on various aspects, including tank size, amount of care, tank mates, and other considerations, whether betta fish require a filter or not.It’s not a simple yes or no question since they can live and even flourish in both settings if given the proper care and consideration.Misinformation and inexperienced aquarium keepers who assume that a bowl or other small tank will be less effort and less expensive than a larger tank are the root of the problem.That is simply not true, and it can result in a sick betta or even death.Before making a selection on filtration, make sure you have thoroughly studied and comprehended the advantages and disadvantages of each option.

Let’s start with an awareness of a betta’s native environment, which includes rice fields and shallow pools of water where they may thrive.An endangered wild betta may even end up in a murky puddle for an extended amount of time during a drought because there is little oxygen available.Evolution has given betta fish the unusual capacity to ingest oxygen from the air (at the water’s surface) rather than having to rely only on their gills in order to survive in these conditions.Because of their labyrinth organ, they are classified as Anabantoidei, or labyrinth fish, because of their capacity.

Bettas are highly sought after and highly recommended for beginners because of their high level of tolerance to low oxygenated water and their ability to thrive in low oxygenated water.They can be less difficult to care for than other tropical fish since they require less equipment, yet there are several fallacies about them.Specifically, it claims that they favor tiny settings and can subsist on the roots of a plant in a vase.These assertions are untrue, and your betta may end up barely living as a result of them.

  • What you want is for her to live as long and healthily as possible, free of pain and suffering, correct?

Betta Fish Habitats Without Filters

Tanks with a capacity of less than 2.5 gallons should not be equipped with a filter since they might cause more harm than good.Because of the powerful currents created by filters in tiny tanks, betta fish might become stressed and lose their appetite.Bettas are not particularly great swimmers, and their lengthy fins can make it difficult for them to move about in strong currents.Bettas enjoy water that is slow flowing or stationary.This is why some betta keepers swear by unfiltered tanks for their betta, which they believe would better replicate their natural ecology.

Water quality, on the other hand, rapidly degrades in small-volume unfiltered tanks.The greater the volume, the slower the degradation of water quality will occur, and the easier it will be to maintain the water quality.Ammonia, nitrate, and nitrite levels rise as a result of uneaten food and excrement piling up.When consumed in large numbers, they might cause stress and illness in your betta.

Fin and tail rot are two of the most prevalent illnesses that occur in tiny unfiltered tanks.In addition to harmful bacteria, there are helpful bacteria that naturally live in the water.Constant water changes can inhibit the growth of these helpful microbes while also causing stress.The very smallest size for a betta fish is 2.5 gallons, with a suggested size of 5 gallons or more for the most successful breeding program.

  • It turns out that caring for a betta fish without a filter is significantly more difficult.
  • When using non-filtered tanks, it is necessary to do 1-2 water cycles at about 25 percent and a full 100 percent water change per week (depending on water quality).
  • An unfiltered tank holding 5 gallons will only require one water cycle per week at a volume of around 25 percent to 35 percent of the whole capacity and one 100 percent water change per month, according to the manufacturer.
  • In addition, you should utilize test strips to examine the properties of your water in real time.
  • Remove uneaten food and feces from unfiltered tanks as soon as possible to avoid it settling and decaying (pro tip: use an aquarium designated turkey baster to easily suck debris out of the tank).
  • After reading the next part, you’ll understand why filtered tanks are more helpful to betta fish and are also less difficult to maintain.

Betta Fish Habitats With Filtered Tanks

If your tank did not come with a filter, you may purchase one from a variety of sources.The following are some examples of different types: under gravel filters, hanging power filters on the rear of the truck, sponge filters, and internal filters.The strength of the betta fish is the most significant aspect, and having an adjustable flow rate is essential.Your betta should be able to swim freely and effortlessly without assistance.We recommend that you get a tank that is specifically designed for betta fish and that has a filtration device right out of the box.

Mixing and matching things might be difficult, but if you are purchasing a filter, it is better to get one that is weaker than the suggested size.For example, if your tank holds 5 gallons, you would want to consider a filter that can handle 1-3 gallons.

Benefits of Betta Tanks with Filters

  • Waste reduction is the removal of surplus food, excrement, ammonia, and harmful germs from the environment.
  • Oxygenation — filters aid in the oxygenation of drinking water.
  • Microorganisms that are good for you – helpful microorganisms that concentrate in filter media and tanks
  • Tank Mates – Because of the higher bio load associated with tank mates, filters are necessary.
  • Maintenance – decreased maintenance and water cycling are implemented.

Betta fish like filtered aquariums because they thrive in environments with consistent water conditions.A filter aids in the preservation of beneficial microorganisms while also cleaning and neutralizing ammonia and nitrates in the water.The establishment of a natural environment is essential for long-term health and for reducing the likelihood of stress and illness.Betta tanks that have been filtered will require less care, which will make your life simpler.If you fail to replace the water in an unfiltered tank on a regular basis, things might soon deteriorate.

If you have a filtered tank, you won’t need to conduct 100 percent water changes unless you have an algae or disease problem that is out of control.In reality, other from replacing the filter media according to the manufacturer’s recommendations and doing a 25-30 percent water cycle once a week, the only maintenance required is sweeping the gravel.Make sure to constantly clean your filter using tank water rather than tap water in order to keep the beneficial bacteria alive and well.

Is Your Bettas Filter Too Strong?

Depending on how strong your betta’s filter is, you may need to either remove it or lessen the intensity of the current.Filters are not recommended for tanks with less than 3 gallons of water, and you should consider increasing the size of your betta’s habitat.Internal filters and those that hang on the rear come in a variety of intensities, some of which may be too strong for a betta fish.In the event that your betta is fighting to reach the surface for oxygen, hiding and fearful, and furiously swimming against the stream, your filter is most likely too strong for him.As a result, your betta fish may suffer from significant stress, which can result in fin damage, injuries, and even death.

It is possible that they will be flung around or even pulled into the filter by the intake tube after they have been physically weary.It will also enhance turbulence in the water if your tank’s water gets below the appropriate depth from the filter’s output and stays there.If your filter’s flow rate is adjustable, the first thing you should attempt is reducing the flow rate (try the lowest setting).Otherwise, consider returning it, obtaining a new one, or attempting some of the suggestions below.

Increase the amount of plants and decorations near the filter to help break up the flow of water as it enters the tank.There are other alternative options, such as splitting the tank and building a filtration chamber on one side of the tank.Another easy repair that can help safeguard your betta fish is to place a pre-filter sponge over the intake tube, which will reduce the amount of water that is taken in and eventually released.Pre-filter sponges will easily slip over the output tubes of some filters, such as the Fluval Spec V, and into the aquarium as well.

  • When used in conjunction with a betta fish tank, this can aid to minimize flow and turbulence in the tank.
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Recommended Betta Filters

The size of your betta’s tank or habitat will determine which filter is most appropriate for him.Sponge filters are one of the most effective and least priced alternatives for little aquariums (on the left).Sponge filters work by drawing water through a sponge with the help of air bubbles generated by an air pump.A sponge filter is a simple device that may be used for both mechanical and biological filtering.It is also quite straightforward to set up.

This type of tank is ideal for the sensitive betta, and it also has the added benefit of providing oxygen.They are most effective in tanks with a capacity of up to 10 gallons and pose almost little risk to your betta from suction or flow conditions.Nano filters that hang on the back of the camera are a second option to consider (middle).These are perfect for tanks ranging in size from 5 to 10 gallons and even bigger.

If at all possible, use a pump with an adjustable flow rate, and consider installing a pre-filter sponge in the intake line.HOB filters are simple to maintain and take very little room in either the viewing area or the habitat.Finally, an internal filtration machine that is installed inside the tank might be used as a backup (on the right).It is possible that your betta fish will have less swimming room and total water volume available if you currently have a tiny tank (three gallons or less).

  • Generally speaking, submersible filters are attached to the tank’s wall using suction cups and operate admirably if they are not overly strong.
  • Conclusion Do betta fish require the use of a filter?
  • That is dependent on your decision based on the advantages and disadvantages of each scenario presented above, as well as your specific situation and preferences.
  • Please avoid using fish bowls or any tank that is less than 2.5 gallons in size.
  • The greater the size of your tank, the less work it will be to keep it clean.
  • A filtered tank can also contribute to the maintenance of a healthy ecology.
  • For enhanced oxygenation and water quality, filtration will be essential if you desire to introduce tankmates, form a sorority or place your betta fish in a communal tank.
  • If you have any further queries, please post them in the comments section below.

How Often To Change Betta Water – What you need to know

  • If you are new to betta fish and are unclear of how often to change the water in your betta tank, then this article will be of assistance. You should make a partial water change on your betta tank at least once every week, which will lower the ammonia and nitrite levels in the water and aid in maintaining the pH balance of your tank. If you have a small betta tank, you may want to perform a partial water change every 1 or 2 days unless you have a filter that is sufficient. Many factors will influence how often you should change the water in your betta tank, including: the tank size
  • the number of fish in the aquarium
  • the frequency with which you feed your betta fish
  • whether or not you have a filter in your aquarium
  • whether or not your betta tank is well-planted.

Additionally, if you detect indications of stress or other health concerns in your pet, which may be signs of environmental variables such as high ammonia or nitrate levels, you may want to consider changing the water in your betta tank as well. Make sure to read our Betta Fish Care Guide as well as our Betta Fish Species Overview.

Changing Betta Fish Water (Frequency)

  • It is necessary to have a number of pieces of equipment, including: A clean bucket
  • A tank cleaning siphon with a siphon hose
  • A gravel siphon
  • Water Conditioner
  • Hot and cold water
  • and a hose.
  • Almost all of the equipment required is readily accessible at your local fish market. If you are unclear of exactly what you want, I have included a few of (affiliate) links to the appropriate things available for purchase online: Following the preparation of all of the necessary equipment, you will need to carry out the cleaning procedure as follows: Taking your betta out of the aquarium using a fish net and placing it in a clean container with some of the tank water
  • To fully clean the tank lid, remove it and wipe it down with a clean chemical-free cloth.
  • Using a clean towel, thoroughly wipe the whole tank
  • Using a clean bucket, syphon the gravel, sand, or whatever substrate is at the bottom of the tank into it, draining no more than half the water and emptying the tank of any uneaten food particles and other fish waste
  • Remove any particles from the filter sponges by rinsing them under running water or in a pail of filthy water. Make careful to soak the sponges in a bucket before returning them to the tank filter to ensure that it contains beneficial bacteria.
  • When doing a partial water change, just the unclean water should be disposed away. It contains helpful bacteria and will need to be returned to the tank if the tank is being completely refilled with water.
  • Decor and ornaments may be cleaned by washing them under running water.
  • Fill the clean bucket halfway with tap water (or any other suitable drinking water). This is the water that will be substituted
  • Pour a small amount of hot or cold water into the bucket at a time until the water is warm. Check the temperature and alternate between hot and cold water until the water is the same temperature as the tank water is reached. (Check the temperature of the tank using the thermometer.)
  • Water conditioners are used to eliminate chlorine, other pollutants, and other potentially dangerous compounds from drinking water.
  • Pour the fresh water into your betta’s tank in a gentle manner.
  • Wait for any loose substrate to settle before returning your betta to its aquarium.

Well, that’s a long list, and while changing betta fish water is not a tough operation, it might appear to be such at first glance.There is a lot to consider, and when you have to do it once a week or even more frequently, it may feel rather exhausting.Some betta fish keepers find that listening to music while performing their weekly water changes, or while listening to an audiobook or podcast, helps them concentrate better.Keep your betta fish tank healthy, so why not make it more enjoyable in the process?The entire process should take no more than 30 minutes, and it will become even shorter as you become more accustomed to it.

If you haven’t done, we recommend that you read our article on How to Set Up a Betta Tank.You could come across some interesting tidbits of knowledge that you didn’t know before.

How Often Do I Need To Change Betta Fish Water

As previously said, you may be required to replace your betta water once a week, or perhaps every day or two, and even more frequently in some situations.So, how frequently do you need to change your betta water?Ideally, the tank should be changed once a week, with bigger tanks being able to go longer in between changes without the risk of losing too much of the beneficial bacteria from the filter, as previously stated.It is the beneficial bacteria that contribute to the reduction of ammonia, nitrate, and nitrite levels in the environment.It is a process known as biological filtration that will serve to kick-start the nitrogen cycle in the environment.

By eliminating this water, you will also be losing some of the beneficial microorganisms that exist in the environment.It boils down to a delicate balancing act.It is possible that a thorough water change may be required if the chemical levels in your tank are out of sync.However, this will present its own set of difficulties and will cause significant stress to your betta fish.

Partially filled water tanks are the most convenient and safest.You may easily replace up to 50% of the water in your tank without encountering any difficulties, and you will most likely just need to make minor 20 percent adjustments.The use of water test strips and kits is usually recommended so that you may examine the chemical composition of your betta water without having to wait for additional indications to arise, such as ill fish, before doing your tests.

How Often To Change The Water In A Small Tank

If you have chosen a betta tank that is less than 5 gallons in size, you will most likely need to do a tiny partial water change of 20 percent at least once every two days.Due to the fact that a smaller body of water becomes contaminated considerably more quickly than a bigger body of water, such regular water changes are necessary..I’m also going to presume that you don’t have a filter in such a small tank and that you’ll have to do the work of a filter manually.

How Often To Change The Water In A Medium Tank

Betta tanks of around 5-20 gallons will require water changes once per week to ten days, while some may be capable of lasting up to two weeks before requiring a partial water change.You may be able to fit a filter into this size tank, which will allow you to keep the water clean for a longer period of time without having to change it as often.If there are no other factors in play, such as excessive ammonia levels, you may be able to go up to two weeks without needing a partial change as a result of the above.An aquarium with bettas that is 20-50 gallons in size can still be called a medium-sized tank, although it is rather huge in betta terms.A tank of this size can last for up to 2 and possibly even 3 weeks without requiring a partial water change; however, don’t go too far beyond that and keep an eye on the water quality in the tank.

How Often To Change The Water In A Large Tank

If your betta fish tank is 50 gallons or more, the frequency with which you change the water will be determined by the number of fish in the tank, how much they consume, and how long the tank has been in place.It is recommended that you continue to test the water at least once a week with your water testing kits and adjust the frequency of testing as needed.It’s possible that the tank will be able to sustain itself for 3 or 4 weeks without any effort on your part.

Best Conditions For Betta Fish

Making certain that your betta has the greatest possible water conditions will go a long way toward ensuring that your betta is healthy. Although betta fish are delicate animals, they are capable of surviving in a variety of environments as long as their habitat stays optimal for their survival. You may use a water test kit to check the parameters of your water on a regular basis.

Betta Water Parameters At A Glance

Using the table below, you can quickly determine which water conditions are appropriate for your betta fish tank setup.

What Temperature Do Betta Fish Like

It is preferable for Betta fish to be kept in a tank that is heated to temperatures ranging from 78 to 80 degrees Fahrenheit (25.5 to 26.7 degrees Celsius).Bettas can survive outside of these temperatures and can handle temperatures ranging from 72° to 86° Fahrenheit (22.2° to 30° Celsius), but they will not be comfortable, and it will have a negative impact on their health if they do so for an extended length of time.

Is Tap Water Safe For Betta Fish

As long as the water is adequately treated, tap water is perfectly safe for betta fish to survive in.It is critical to note that if your tap water has any chlorine or chloramines, these must be eliminated before to adding the water to your tank to avoid contamination.If there are chemicals present in the tap water, such as mercury, these may be dangerous to your betta fish as well, and by applying the appropriate treatments, you can help lower the amount of other minerals and heavy metals present in the water.

Ideal Betta pH Range

In general, betta fish like to live in water that is softer and has a neutral pH level of approximately 7, while they may accept water that is slightly more acidic around 6.5.It won’t matter too much if the pH level is a bit out of whack; as long as it is constant, everything should work out perfectly for you.To understand more about pH levels, I’ve produced a fantastic essay that will teach you all you need to know as a fishkeeper: Fish Tank pH Levels (which you can find here) (An easy guide for fishkeepers).

Wrap Up

Frequent cleans and water changes are essential to the continuous health of your betta fish tank, as well as to the health of your betta fish.They should not be considered a hassle and should not be put off.Your tank is prone to develop a poisonous environment if you do not perform these cleanings.Fresh water is the most effective method of ensuring that your betta fish tank looks and feels its finest.

Frequently Asked Questions

Why did my betta die after a water change?If your betta dies after changing the water, this is likely due to the chlorine in your tap water. Chlorine and chloramines should always be removed by using a water conditioner before adding into a tank as it can kill fish very quickly. Betta fish are sensitive to sudden big changes in water.Should you boil tap water for betta fish?It isn’t necessary to boil tap water provided it is treated properly with a water conditioner, it will be safe for your betta. Dependent on the source of the water you are using, boiling the water can help to remove bacteria and other contaminants that could be harmful to your betta fish.Why is my betta fish swimming sideways after water change?Your betta may be suffering from Osmoregulation, a condition affecting a fish’s swim bladder and buoyancy. Osmoregulation is where the fish may retain osmotic pressure in body fluids from before a water change that doesn’t match the new water conditions. The imbalance may cause sideways swimming.

How Often To Change Betta Water (for a HEALTHY Betta)

Consistent cleans and water changes are essential to the continuous health of your betta fish tank, and they are also necessary to maintain your betta healthy.They should not be considered a burden or avoided.Your tank is prone to develop a hazardous environment if you don’t perform these cleanings.To guarantee that your betta fish tank looks and feels its best, make sure that it is filled with fresh water.

How often should you change the water?

The frequency with which you should replace the water in your betta fish’s aquarium is determined by the size of the tank.Listed below is a table that breaks down what percentage of your water has to be changed and how frequently for each size of tank.Unless you are using a very small jar (such as a 1-pint container), this should be replaced every day.In this case, we do not recommend keeping your betta in such a little bowl.If the tank holds one quart of water, it should be entirely replaced every day.

Every day, a half-gallon bowl should be entirely emptied and replaced with a new one.A two-thirds water change should be performed twice per week on a one-gallon tank.These sizes are also unsuitable for betta to reside in for an extended period of time.When changing the water in larger tanks of 2 to 3 gallons (such as modest home aquariums), only 50 percent of the water should be replaced at a time.

This should be done once a week at the very least.More than one-third of the water in a big home aquarium (between 5 and 10 gallons) should be changed at any one time.If you want to maintain bettas in a tiny tank, this is the size I recommend.A 25 percent or 30 percent water change can be performed depending on whether you have a betta alone or whether you have additional tank mates.

  • This should be done once a week, which means that the tank should be completely refilled with fresh water once a month at the very least.
  • Only if you are rearing newborn or young betta fish will this rule not apply to you.
  • In this case, you should perform a modest water change on a daily basis, if possible.
  • This type of setting will aid in the optimal development of your betta fish.
  • The concentration of ammonia in the tank’s water is the most vital thing to keep an eye on.
  • The presence of this substance is dangerous to fish, and you should obtain test strips to monitor the levels in the water.
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When else should the water be changed?

The frequency with which you should replace the water in your betta fish tank is determined by the size of the tank.Here’s a table that breaks down what proportion of your water has to be changed and how often for each size of tank in your home.A very small 1-pint jar should be changed at least once per day if you have one of these.In this size bowl, we do not recommend maintaining a bett.A 1 quart tank should be completely changed every day if the tank capacity is 1 qt.

Every day, a half-gallon bowl should be completely emptied and replaced with another.Water should be changed in a 1-gallon tank by two-thirds twice a week for optimum performance.Long-term living conditions for betta are also not conducive in these enclosure sizes.When changing the water in larger tanks of 2 to 3 gallons (such as small home aquariums), only half of the water should be changed at a given time.

A once-a-week checkup is recommended.More than one-third of the water in a large home aquarium of 5 to 10 gallons should not be changed at any one time.If you want to keep bettas in a small tank, this is the one I recommend.Water changes can range from 25 percent to 30 percent in percentage, depending on whether or not you have other fish in your tank with your Betta.

  • This should be done once a week, which means that the tank should be completely refilled with fresh water once a month at the very most.
  • Only if you are raising newborn or young betta fish will this be an exception to the rule.
  • When doing a smaller water change every day, it is preferable to do so every day.
  • This type of environment will promote the optimal growth of your betta fish.
  • The ammonia level in the tank’s water is the most important thing to keep an eye on.
  • The presence of this substance is toxic to fish, and you should purchase test strips to monitor the concentration of the substance in the water.

What do you need to change the water?

You’ll need two huge buckets for this project.One should be fully clean and free of chemical residues because this will be used to contain the new water that will be added to the fish aquarium.It will be necessary to use the second bucket to collect waste water from the tank.We propose that you invest in a tank cleaning siphon since it is the most efficient way to clean the tank and save money.Using a suction attachment, it removes water and loose debris without disturbing your betta fish.

You will also require some type of water conditioning product to assist in the removal of chlorine and fluoride from the tap water used in the home.This is widely accessible on the internet and at any reputable fish and pet store in your area.Water conditioners such as Seachem Prime and Tetra Aquasafe for Bettas are also excellent choices for aquariums.In addition, you need have a tank thermometer.

The water in your betta fish’s tank must be maintained at a certain and constant temperature in order for your betta to be in good health.This thermometer will be used to check that the replacement water is the same temperature as the tank when it is put into the tank.

How do you change betta water?

These are the measures to take if you want to change the water in a small home aquarium without having to remove the betta fish.Step 1: Remove the tank cover and any major tank decorations from the tank before continuing.Things like ornamental rocks and homes fall within this category.Step 2: Place one end of a siphon in the tank and the other end of the siphon in an empty bucket to the side of your tank.You may also insert one end of an empty hose into the tank if you do not have access to a siphon.

The bucket should be placed lower than the tank in order for gravity to pull the water down the tube and into your bucket of choice.Using your mouth, you will have to draw the water up with your tongue and then drop it into a bucket before it gets into your mouth.Depending on the type of siphon you have, you may be able to squeeze a bulb to begin the water going without sucking on the tube.Step 4: At a 45-degree angle to the gravel, drag the end of the nozzle in the tank along the gravel.

This will vibrate the rocks in the tank, allowing any rotting food that has accumulated there to be released.At any given time, avoid removing an excessive amount of water from the tank.This might cause your fish to get stressed.Their dirty tank water also serves as a source of beneficial bacteria for your fish, which they require in order to be healthy.

  • Step 5: To rid of the extra unclean tank water, flush it down the toilet.
  • To refill the tank, fill a clean bucket halfway with the appropriate amount of replacement water.
  • Make an effort to raise the temperature to around 78 degrees Fahrenheit.
  • Adding water conditioner to the water will ensure that it has the proper chemical balance to keep your betta healthy.
  • In the next part, I’ll go over the process of adding water conditioner.
  • Follow the directions on the conditioner packet for the amount of conditioner to use and the exact steps to take after adding the conditioner.
  • Step 8: Replace any pebbles or ornamental items that were removed from your betta aquarium.
  • Using a gentle pour, slowly pour in the replacement water after it has reached the proper temperature.
  • Do this slowly so that you don’t end up hurting your betta fish.
  • A siphon can be used to guarantee that the liquid is delivered at a steady rate, as an alternative.

Removing the filter and cleaning or replacing it as needed is the final step in the process.Reinstall the tank cover in a secure manner and plug in the filter to complete the process.Turn on the heating and the lights, and you’ll be ready to go within minutes.

How Much Betta Water Conditioner Should You Use?

As a part of changing the water used to keep your betta alive, you’ll want to make sure that any dangerous chemicals like as chlorine are removed from the new water.This can be accomplished with the use of a water conditioning solution such as Seachem Prime or Tetra’s Aquasafe.Prime is usually considered to be the superior water conditioner, although it is not feasible to use in tanks less than 5 gallons.Aquasafe is a simple product that may be added to tanks of any size.Some of them, depending on the size of your tank, may require the use of a pipette to administer the conditioner, since this will expedite the process.

In the case of a handful of the most well-known brands, the amount to include is as follows: In any other case, follow the instructions on the back of the container.Because they often contain a nozzle that allows you to apply conditioner one drop at a time, the drops per gallon brands are generally preferable for smaller tanks.The others are generally just open mouths that you have to pour out of with your fingers.Water conditioners are often effective instantly, so you don’t have to wait for them to take action before using them.

Look for a product that treats water that indicates it treats chlorine, chloramine, and ammonia when shopping for a water treatment product.As a result, the items that are most hazardous to your fish will be removed from the water.


Betta fish are the brightly colored floating fish that you can commonly see in little cups in pet stores and aquariums.Betta splendens is the scientific name for this fish, however it is also known as labyrinth fish and Siamese fighting fish in some circles.Smallmouth bass are native to the Asian continent, and they prefer to reside in shallow water and slow-moving streams.Betta fish are diurnal, which means that they are up during the day and asleep at night, much like people.They are frequently mistreated throughout the animal trafficking supply chain, and as a result, they can become quite traumatized.

They have also been reported to suffer from depression and to require a high level of mental stimulation in their surroundings.If you want to maintain your betta healthy and happy, you should always keep them in at least a 2 gallon tank and replace half of the water once a week, according to the manufacturer.Once a week, you may perform a 25 percent water change in a 5-10 gallon tank.

How Often To Change Betta Fish Water? (Guide + How To Change It)

  • Betta fish are wonderful fish that, if properly cared for, may live for an extremely long period. Changing their water in a safe manner reduces their stress and is a little component of the overall care that will ensure that your Betta lives for many years. Here are some short information regarding changing the water for your betta fish: Because Bettas have a labyrinth organ, they are able to take in oxygen from the air rather than filtering water through their gills. At the same time, regular water changes are required in order to maintain bettas healthy and happy
  • nevertheless,
  • A betta tank should not be less than 2.5 gallons in capacity, while 5 gallons or more is preferable.
  • The use of a filtering system is recommended for all save the most experienced of fish keepers

How Often To Change Betta Water?

In general, you’ll want to replace the water in your Betta’s tank once a week at the very least.Despite the fact that betta fish can withstand lower oxygen levels in water than other fish, there are additional reasons to replace the water often.Betta fish like a pH of 7.0, which is considered ″neutral.″ Although they may tolerate slightly acidic or alkaline water, it is preferable to keep the pH at a neutral level.However, as they continue to survive in the same water, the water gets progressively acidic.As a result of the waste created by the Betta after feeding and drinking, this has occurred.

Doing frequent water changes, in addition to detoxifying the water, is a fantastic method to maintain the tank clean for your fish.Whether or whether you have a filter will also influence how frequently you replace your drinking water.

Do Betta Fish Need a Filter?

Despite the fact that betta fish can survive in low oxygen situations, it is usually recommended (particularly for new pet owners) to have a filter installed in the tank.Why?Betta fish, on the other hand, can survive without the need of a filter.As a result of their hardiness and their capacity to breathe air off the water’s surface, they are able to survive in environments where other fish would perish.Having said that, having a tank without a filter necessitates a great deal more care.

The benefit of using a filter is that it not only aerates your Betta’s water, but it also aids in the breakdown of some of the dangerous compounds that can cause a fish to become unwell.It is because of the filter’s ability to lessen the toxicity of water that you will not need to change out the water as frequently as you would if you didn’t use a filter.If you have betta fish, one thing to keep in mind is that not all filters are made equal when it comes to water quality.In terms of betta fish filtration systems, a sponge filter is perhaps the most highly recommended.

A sponge filter is ideal for Betta aquariums because they are weak enough to allow Betta to swim around freely in their tanks while still filtering the water.The water stream created by a filter might be too forceful for Betta, causing her to have difficulty swimming.If you liked this article, you might like these others: Do Betta Fish Need Bubbler?

Betta Water Change: What Else to Know

In the event that you do not want to employ a filtering system, you should be informed that caring for your fish will need significantly more effort.If you’re keeping a single betta fish in a tank no larger than 2.5 gallons without a filter, you’ll want to change the water in tiny increments (20-30 percent) every day to keep it healthy.Water changes for bettas are time-consuming and unpleasant for the fish, not to mention exhausting for the person doing it.As a result, we strongly advise all betta fish owners to house their fish in bigger tanks that are equipped with filtration devices.

How Big Should My Betta Fish Tank Be?

Betta can thrive in aquariums as little as 2.5 gallons. 2.5 gallons is the very minimal minimum, however, at the same time. In order to maintain your fish psychologically healthy, it would be preferable to have at least a five-gallon tank with lots of coves and enrichment activities.

How to Change Betta Fish Water

Are you ready to begin changing the water in your betta fish tank? Following your decision on how frequently to change betta water (which should be dependent on the size of your tank and whether or not you have a filtering system), follow these steps:

  1. Take your Betta out of the picture. Fill a tiny cup halfway with water from the betta’s aquarium and set it aside. Make use of a net to carefully remove the Betta from the tank and place it in the cup. Because it will be far less stressful for your Betta if you keep him out of the tank while you change the water,
  2. Clean the inside of the tank’s walls. In addition to changing the water, you should also wash down the tank’s walls to keep them clean. This will eliminate the algae, which can be hazardous to the fish if present in big amounts, by drastically lowering the amount of accessible oxygen in the tank
  3. After you’ve cleaned the walls of the tank, you should let the debris to settle on the tank’s floor. Then, with the help of a siphon pump, draw water directly from the tank’s bottom. Changing the water and clearing the dirt that has accumulated due to your Betta’s daily activities will be accomplished in this manner
  4. Replace the water in the tank. It’s best if you can maintain the same temperature as the tank water (slightly warmer), and if you’re using tap water, make sure it’s been properly treated.
  5. Replacing your Betta’s tank is important.
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How Often & How to Change Betta Fish Water? Surprising Answers!

It’s a Fish Thing is made possible by donations from readers.If you make a purchase after clicking on one of our affiliate links, we may get a commission at no additional cost to you.More information is available here: Taking good care of your betta’s aquarium is an extremely important component of caring for these lovely fish.The need of regular water changes for aquarium fish is well-known to all proud fish keepers.However, if you’re new to the betta world, you may not be aware of how frequently you should change your betta’s water in order to keep them healthy and happy.

We, on the other hand, are here to assist you!We’ll go over how frequently you should replace the water in your tank, as well as how to do it with the least amount of stress on your betta.

Let’s Talk About Water Conditions

Bettas found in the wild are believed to have originated in Southeast Asia.They are native to Thailand, although other betta species may be found in Vietnam, Laos, Malaysia, Indonesia, and Cambodia, as well as other parts of Southeast Asia.Bettas are found in marshes, rice paddies, and floodplains, where they live in shallow and generally stagnant water.Bettas are a species of fish that lives in shallow and mostly stagnant water.Bettas thrive in warm water (76° F to 81° F) with pH values ranging from 6.8 to 7.5, although they thrive in water with a pH level less than 7.0.

When kept in captivity, bettas fare best in water with a pH level less than 7.0.Given that we’re presuming you’ve been maintaining these water conditions, it’s critical to keep them consistent during a water change.

Why Do I Need to Change My Betta’s Water?

Bettas found in the wild are believed to have originated in Southeast Asian countries.They are native to Thailand, although other betta species may be found in Vietnam, Laos, Malaysia, Indonesia, and Cambodia, as well as other parts of the world.Bettas are found in marshes, rice paddies, and floodplains, where they prefer shallow, usually stagnant water to call home.While in captivity, bettas thrive in warm water (76° F to 81° F) with pH levels between 6.8 and 7.5, but they thrive even more in water with pH values below 7.0.Bettas are also known for their ability to adapt to new environments.

Given that we’re presuming you’ve been maintaining these water conditions, it’s critical that you do so throughout a water change as well….

How Often Should I Change My Betta’s Water?

Now that we’ve gotten around to answering your inquiry, we’re sorry but we don’t have a straightforward response for you.Please accept my apologies.There are a variety of elements that will determine how frequently you should replace the water in your aquarium.The size of your tank, the type of filter you use, how much you feed your betta, and whether or not your betta is alone in the tank or has tank mates are all factors that influence how often you need change your water.To put it another way, if you have a filter, you should change 10 percent to 20 percent of the water at the very least every 7 to 10 days, if not more frequently.

The amount of water that has to be changed without a filter ranges from 30 to 50 percent.Greater volumes of water can be changed less regularly (for example, 20 percent to 30 percent of the water every 2 to 3 weeks), but doing smaller water changes helps to maintain a more balanced environment for your betta fish.We’ll take a deeper look at each of these aspects so that you can determine your personal water change scenario if necessary.

The Size of Your Tank

Large aquariums are typically easier to maintain than smaller ones, at least when compared with smaller aquariums.Perhaps this is counterintuitive, but the greater the amount of water present, the longer it will take for your betta to contaminate it.In the event that you have a smaller tank (5 gallons or less), this is OK; however, you will need to replace the water more frequently.You should also refrain from overfeeding your betta, since this will contribute to the contamination of the water supply.

How Much Do You Feed Your Betta?

The majority of betta keepers like to feed their fish somewhat more than they normally would in case they feel hungry later on. The difficulty with this strategy is that all of the excess food will just pile and perish after a short period of time. The ideal plan of action is to offer your betta one substantial meal each day, or two or three much smaller meals throughout the day.

Tank Mates

This one should be very self-explanatory. The greater the number of fish in your betta’s tank, the greater the amount of food and feces that will collect. This also implies that you’ll have to replace the water more regularly as a result of this.


In order to properly care for your betta’s tank, a decent filter is required.While they are accustomed to live in stagnant pools of water in the natural, not having a filter in your tank will simply result in you having to replace the water in your tank on a much more frequent basis.Your best option is a sponge filter, which may provide adequate filtration for one betta as well as numerous tank mates in a small tank.These filters not only filter out the bad, but they also help to support the growth of beneficial bacteria that feed on nitrates and ammonia in the water.

Why Small Water Changes Are Best

Apart from the fact that it would be much easier for you, there are two other solid reasons for doing so.The tank water should have the appropriate level of bacteria (the good type), pH level, temperature, and other factors, among other characteristics.If you replace all of the water at the same time, you will upset the delicate balance that has taken time to achieve the proper amounts of nutrients and minerals.Because of this imbalance, your betta will definitely become stressed, which can result in health problems and even death.

How to Change Your Betta’s Water

  • Now that you’ve learned the whys, let’s get down to business with the hows. Let’s start with the things you’ll need to get started: One bucket for the clean water is as follows: Make certain that the bucket you use is clean and free of any chemical residue—e.g., paint thinner. The transmission of hazardous trace chemicals back into your aquarium is not something you want to happen.
  • One pail for the soiled water is provided:
  • Any old bucket will suffice. It’s contaminated water.
  • Using a siphon hose:
  • A excellent siphon hose simply suctions the water out using the force of gravity. Just make sure you don’t suck any of your fish up in the process.
  • Thermometer: Hopefully, you already have one of these on hand! Yes, you will require it in order to guarantee that the clean water is the same temperature as that of the aquarium water.
  • Conditioner for tap water: If you’re using city water, you’ll need to treat it to eliminate chlorine before you use it.
  • Kit for testing water (optional):
  • If the characteristics of your tap water are significantly different from those of your tank water, you may want to consider investing in a water testing kit so that you may modify the clean water as needed.

Once you’ve gathered all of your supplies, it’s time to start changing the water.

Start by Removing the Dirty Water

  • In order to produce the least amount of stress for your betta, each step should be taken slowly and deliberately. Also, don’t remove your fish from the tank while you’re cleaning it because this will create more stress than the actual cleaning. Unplug all lights, heaters, and filters from the circuit breaker: First and foremost, safety! During this time, you may also clean the filter and any other equipment that may require cleaning.
  • Remove any huge ornamental things from your tank, such as the following:
  • If there is anything that will get in the way of your hose (such as homes or huge boulders), remove it.
  • Closely to the tank, place the ″dirty water″ bucket
  • While in the tank, follow these steps to get the suction hose to work:
  • To get the water to flow, follow the directions for using the hose provided.
  • Run your hose across the gravel to achieve the following results:
  • In order to get the lighter, uneaten fish food to suction up into the gravel, you’ll want to gently push it in and out of it.
  • Take out the appropriate amount of water:
  • Follow the guidelines that we’ve discussed thus far! If you have a big, filtered tank, you just need to remove around 20% of the water, but if you have a smaller, unfiltered tank, you’ll need to remove anywhere from 30% to 50% of the water

Get the Clean Water Ready

  • Fill your clean bucket halfway with clean water: It’s recommended to keep this bucket just for this purpose to avoid the possibility of leaving any unwanted residue. Check that the bucket has enough capacity to hold the amount of water you intend to add to the aquarium.
  • Use your thermometer to determine the following:
  • You’ll want to check the temperature of the tank water and make sure that your bucket of water is as near as feasible to the temperature of the tank water. Simply change the temperature with warm or chilly water.
  • Cleanse the water by doing the following:
  • Follow the directions that came with your water conditioner to treat your bucket of clean water

Time to Finish Up

You’re finished! Simply place the decorations back into your tank and carefully pour clean water into it before plugging everything back in.


  • There are a number of actions you can take to help maintain your betta’s tank clean and disease-free, including: not overfeeding your fish
  • not allowing your fish to get sick
  • and not overwatering your fish.
  • Preserve the health of any genuine plants that you have in your aquarium.
  • Maintain the cleanliness of the gravel, accessories, and decorations on a regular basis.
  • Make use of a water filter.

Also, keep in mind that smaller and more regular water changes are always preferable than larger and less frequent ones. As long as you take proper care of your betta fish, you should be able to keep them for a long time. Featured Image courtesy of Buddy BIGPhotographer through

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Do Betta Fish Need a Filter? – ZenAquaria

Betta fish are frequently offered without an aquarium filter, owing to their ability to thrive in smaller tanks or bowls than other types of fish.Betta fish can thrive in small bowls because of their labyrinth organ, which allows them to take in oxygen from the surrounding environment.Having the capacity to breathe air is extremely beneficial in the betta’s native environment, which includes rice fields, tiny pools, and ponds, among other things.Betta fish can withstand drought and low water conditions in the wild until the next rainstorm arrives, allowing them to reproduce.Betta fish, on the other hand, rely on humans to change the water when they are kept in captivity.

In addition, if the water is not changed on a regular basis, especially if the betta is kept in a tiny bowl or vase, germs and fungus will eventually kill the fish.As a result, while betta fish may survive without a filter, utilizing a filter for your betta, like as a sponge filter, can assist maintain healthier water conditions and reduce the likelihood of tragedy.It is recommended that you keep your Betta fish in an aquarium with a planted bed of 3+ gallons of water, as well as a filter and heating system.

How Do Aquarium Filters Work?

3 forms of filtering are possible with filters: physical, chemical, and biological.1) Aspects of biology Fish waste is processed and converted into less hazardous substances by bacteria and other microorganisms, which function as biological filters in the water treatment process.Ammonia is transformed into Nitrates, which are then changed into Nitrites as the process continues.The only option to guarantee tolerable water conditions in the absence of biological filtration is to perform continuous water changes, which can be as often as twice a day (depending on the size of the tank and the bio load).When your tank has been ″cycled,″ biological filtration begins to work.

Generally speaking, a cycled tank is an aquarium that has been let to sit for two to four weeks, allowing nitrifying bacteria to grow and flourish in the tank.It is possible for nitrifying bacteria to proliferate in aquarium filters because of the physical gaps and surfaces that exist within the filter.Aquarists will frequently place ″filter media″ within the filter to stimulate bacterial growth and so improve water quality.Mechanical (n.d.) By forcing water through ″filter media,″ which functions as a strainer, mechanical filtering can be accomplished.

Larger, free-floating particles are captured in the filter medium, which may then be cleaned by the aquarist after they have been caught.Filter floss, commercial filter pads, sponges, and gravel are examples of several types of filter media (under gravel filters).The size and density of the filter media will have an impact on the purity of the water in your aquarium.Huge particles will pass through a sponge with large holes, whereas little particles will pass through a sponge with minute holes.

  • Denser sponges, on the other hand, clog more quickly and require more frequent cleaning.
  • Mechanical filtration is nearly usually used in conjunction with biological filtration since bacteria will colonize the surfaces of the filter when exposed to high temperatures.
  • 3) Substances that are chemical It is possible to remove certain pollutants and drugs from water by adding carbon or chemical resins to the filter, which is known as chemical filtration (CF).
  • It is a frequent component in water filters because it successfully removes a wide range of metals and chemicals from the water it passes through.
  • Because activated carbon ultimately becomes saturated, it must be replaced on a regular basis (at least once every 60 days) in order to maintain its effectiveness.
  • The use of activated carbon cannot replace the use of biological filtration since it does not remove ammonia, nitrates, or nitrites.
  • Having a cycled tank that is still functional is critical for maintaining optimal fish health.

Can betta fish survive without a filter?

Yes.But take a moment to consider this.A betta in a bowl is analogous to a man driving in his car who is unable to pull down his windows.Eventually, the air in the automobile becomes quite stale, especially if automotive exhaust is pouring into the cabin.Because ammonia builds up fast in tiny bowls or tanks in the absence of a filter, it is necessary to undertake more frequent water changes than in a tank equipped with a cycled sponge filter.

Water circulates through aquarium filters, which serve as a habitat for nitrifying bacteria to proliferate in the filter media of the aquarium.Due to the breakdown of hazardous ammonia by these bacteria, the need for frequent water changes is reduced.Betta fish tanks with filters are considerably superior to betta fish tank

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