Best answer
To cleana betta tank,scoop most of the water out of the tank and pour it into a bowl,then scoop out the fish and place it into the bowl as well. Drain all of the remaining water out of the tank. Rinse the gravel,tank,and decor under warm water,then place the gravel and plants back in the tank.
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How to take care of a betta fish?
So, using either a fishnet or the same cup used to remove the water, as gently and slowly as possible, remove the betta fish from the aquarium. Take the betta fish and put it in the bucket with the water that you removed from the tank in the previous step.
Can you change the water in a Betta tank?
This has to be done because you cannot change the water entirely, as it might put the betta into shock. Instead, you will put the water you set aside back into the tank, after it is cleaned. If you are a new owner, you can start by 50% water changes and gradually increase it till you reach 80%.
Can you use soap to clean a Betta tank?
Tanks should never be cleaned with any sort of soap. Fish are very sensitive and even the smallest amount of soap residue can make fish very ill and even kill them. Even if you rinse the tank out very well, you still may not be able to remove all soap residue, so this is best avoided. How often should you clean a 3 gallon betta fish tank?
What do you need to clean a fish tank?
You will also need: a sink, a plastic cup or net to scoop the fish and water, paper towels and a scrubber to clean the inside of the tank, water conditioner (which is available at most pet or aquarium stores), a sieve to use when cleaning tank gravel, and a plastic spoon. Scoop water out of the tank.