Anti-chlorine from Siso Residual chlorine from tap water can be quickly removed by anti-chlorine And getting rid of ammonia and other harmful heavy metals Prevents unpleasant odor of water It supports the aquarium with vitamins and removes toxins in the water Makes the fish environment free of bacteria Preserves the mucous tissues of fish It enhances the aquatic ecosystem and makes the water quality stable Supports the surface of the fish to form a protective layer to reduce water pressure on the fish's body.