It will be smooth swimming for your freshwater pals with Dr. Tim’s Aquatics Freshwater AquaCleanse Aquarium Cleaner. This cleaner is designed to eliminate common chemicals found in tap water that can be toxic to your freshwater aquarium dwellers. It is formulated to destroy the chemical bonds that form ammonia， chlorine and chloramines—all of which can be a danger to fishy friends. It’s made to work instantly and doesn’t emit any unpleasant smells. It’s also designed to be gentle on the plants in your tank—leaving behind a fresh and healthy environment for your aquatic pals!