How Do I Disinfect an Aquarium?
Aquarium disinfection may become necessary when harmful bacteria are present in the tank. The evidence shows up on the fish, which will develop white spots or other visual abnormalities. There are a few different methods for fish tank disinfection, but the most common are chlorine bleach and methylene blue. When disinfecting with chlorine bleach, the tank must be completely emptied first. However, methylene blue drops can be added into the tank with the fish still inside. Put on protective glasses and gloves. Transfer the fish to another tank or holding container, and remove all gravel and decorations from the tank. Add one cup of bleach and 19 cups of water to a bucket to prepare a 1:20 dilution of bleach solution. Remove all water from the tank, and pour the diluted bleach solution into the tank. Thoroughly wash the tank and remove any residue from the glass. Empty the bleach solution from the tank into a bucket, and use it to wash all decorations and gravel. Also use the solution to
