Transform your tap water with a Python Multi-Purpose Aquarium Water Conditioner. This water treatment solution neutralizes chlorine， chloramines and heavy metals to make water safer for freshwater and marine aquariums. The fast-acting formula contains herbal extracts to help relieve stress resulting from handling， transportation， and environmental changes. It also coats fish fins and scales to protect against minor wounds. Use this conditioner when adding tap water to your tank， setting up a new aquarium， completing water changes or when handling and transporting your fish friends.