How To Purify Water For Betta Fish. In order to do this you will need to do the following. When a bettas environment water or food is inadequate it stresses them out and stress is the leading cause of illness and death in most fish.
Too many times they use soap to clean the tank. Gently clean the container itself using only water and a clean soft cloth or sponge. To kill bacteria cities treat water with chlorine or chloramine and while this gives us healthy drinking water clean water.
Make sure you allow the water to cool off so it doesnt irritate your betta.
To take out your fish just put some tank water in a bowl. Clean the bettas container. To use a gravel vacuum you just need to place the siphon slightly above the gravel. No other chemicals are needed.