how often should you clean a betta fish tank without a filter?

In this post, you will understand how frequently you should clean your betta fish tank without a filter.

How often should you clean a betta fish tank without a filter?

It is possible to clean the tank without a filter once every two weeks or so, but it must be a thorough cleaning, not simply something you can do quickly while you are doing another activity.

Deep cleaning should be done once a week if you have a lot of stuff in the tank so that your Betta has a range of options. If you have a lot of stuff in the tank, particularly plants and 3-D fish tank accessories, it will become dirty faster.

Betta fish excrement and byproducts are more of a problem in a tank without a filtration system, as is the accumulation of algae in the tank.

When Is The Best Time To Clean A Betta Aquarium?

The tank has to be cleaned once a week if it is full of plants and rocks, three-dimensional sunken ships, and anything else.

Your tank may even need a twice-weekly cleaning if you’ve got that much fish furniture in it.

For tanks with no plants and just a few items, you may get away with twice-monthly or once-every-two-weeks cleaning schedules.

Your betta fish will live a long and healthy life if you can manage the buildup that arises from waste products and algae development in your tank at a normal level.

To be sure, if it becomes unwell, your cleaning regimen will have to be adjusted accordingly.

Do You Need to Clean Your Betta Tank Filter regularly?

An additional assumption to make is that you have more fish in the tank, as betta fish don’t need filters, and additional fish implies greater waste products in the tanks as well as the potential for extra algae.

Even if you have a great filter, you should clean it once a week at the very least if you can.

Establish a weekly schedule that includes vacuuming the gravel, scrubbing the algae, and changing the filter.

When cleaning non-filter tanks, you’ll often go in and perform a lot of work.

It’s possible that you won’t need to perform any of the above-mentioned things more than once a month if you have a filter and do the above-mentioned things once every week.

Is it difficult to clean betta tanks?

Betta aquariums aren’t tough to keep clean. If you have a filter, you’ll need to complete a few more procedures, such as changing the filter cartridges. However, it’s more of a necessary annoyance than anything really tough.

The more equipment you have, the better and simpler the process will be, particularly if you have a sieve, gravel vacuum, and some scouring pads for removing any algae build-up.

What Are the Tools and Instruments Required to Clean a Betta Tank?

You won’t need much to complete the task, but you may want to make some extra purchases to make things simpler for yourself and more convenient for your Betta.

When you buy a tank and a Betta, you usually receive a few items but not everything.

  • Fishnet
  • Extra containers for exchanging water
  • a sponge or a soft-bristled brush
  • Sieve, Gravel vacuum, and Scrub Brush for Algae

You won’t need algae scrub brush, gravel vacuum, or sieve to complete the task, but it will make things simpler. The sooner you can get the tank clean, the sooner you can get your Betta back inside and comfy.

What Is The Best Way To Clean A Betta Fish Tank?

When it comes to properly clean your Betta fish tank, we’ll go over some deep-cleaning strategies. Light cleaning using a filter system entails using some of the recommendations from the following breakdown but is not necessary to go over it in great detail.

Prepare your water before changing.

Before you begin cleaning or simply changing the water, be certain that the freshwater is ready. The reason for this is that unconditioned tap water might be detrimental to betta fish. Pour the required quantity of water into a container and then use a betta water conditioner to remove any pollutants and minerals.

Once you’ve started cleaning the tank, make sure your hands are clean so you don’t leave any dangerous chemicals behind. Also, make sure the temperature is close to or the same as the preceding water to avoid stressing the betta.

Take the fish out of the aquarium.

Before you empty the tank, you must relocate the betta fish to a secure location.

The best thing to do is to remove some tank water from a container and place the betta fish in it. The use of earlier tank water ensures that the fish are in a safe habitat.

Remove all of the decorations.

Remove all of the bowl’s ornaments, such as hiding places, plants, and gravel, and clean them individually. Removing and cleaning them will make it easy to remove all of the garbage from the aquarium. When everything is clean, set it aside and clean the dish.

If it’s simpler for you, keep everything in a large bowl and wash it all at once.

Drain any remaining water

After you’ve taken out the quantity of water you wish to preserve and replenish in the tank, you may throw the rest down the drain. Make careful to go gently so the gravel doesn’t slip out with the water. If you want to get it done quickly, use a sieve for the gravel (pour the water over the strainer). You may next remove all of the gravel from the container containing the remainder of your decorations.

Empty the accessories

Clean the container containing all of the decorations and accessories with warm water.

Soft brushes or towels may be used to remove any debris that has accumulated on the surfaces. Use no soap or cleaning detergent on the tank or its attachments since it may leave a residue that is hazardous to the betta. Once finished, place them on a towel or paper towel to allow the water to evaporate.

Vacuum the tank

Finally, clean the aquarium; the easiest method to do it is to run it under warm water while washing the walls with a brush or sponge. All of the mess and filth within will be wiped away, leaving you with a new, clean container. Make careful to get into the corners as well, and avoid using soap. Clean it all up with water once more to ensure that nothing is left behind.

Replace everything in the tank.

Now that the tank has been fully cleaned, return the gravel to its original location and ensure it is level; next, return the décor and accessories to their original locations. When you’re through with that, pour the old water back in. It is critical to incorporate the prior water into the freshwater because it includes good bacteria that break down nutrients. A rapid and full change in the water composition would startle the betta fish and may kill it.

Pour the water gently so that you don’t alter the bowl’s settings. Then add the freshwater that you want to utilize.

Replace your fish.

Everything is now complete, and you may reintroduce your betta fish to the aquarium. Pick up the bowl containing the betta fish, place it in the water, and tilt, allowing the betta fish to swim out into the tank on its own. Make sure the fish doesn’t injure its fins.


In this post, you understood how frequently you should clean your betta fish tank without a filter.

If you have any thoughts or doubts, feel free to drop us a comment below!

Frequently Asked Questions (FAQs): How often should you clean a betta fish tank without a filter?

How can I maintain my betta tank clean without a filter?

The absolute minimum size for a betta fish is 2.5 gallons, with 5 gallons or more being suggested Caring for a betta fish without a filter is much more difficult.

Non-filtered tanks need 1-2 water cycles at roughly 25% and a complete 100% water change per week (depending on water quality).

How frequently should I clean my betta tank?

The major advantage of a bigger tank is that it gives a more enriching habitat for your fish, but it also means less frequent cleaning.

A 5-gallon tank should be cleaned weekly, however, a more significant 15- or 20-gallon tank should only be cleaned once or twice a month.

Will a betta fish be able to survive without a filter?

Betta fish may survive without a filter, however utilizing a filter for your betta, such as a sponge filter, can assist maintain better water conditions and prevent tragedy.

A planted tank of 3+ gallons with a filter and heater is the best setting for a betta fish in captivity.

How much does it cost to clean a fish tank that does not have a filter?

It’s important to remember that the water in a tank is your fish’s entire world. As a result, as soon as it begins to become poisonous in the tiniest way, your fish will perish.

Create a regular cleaning plan, and change around 20-30% of the water within the tank each time.