Water conditioner for all fresh and saltwater aquariums. Converts tap water into safe aquarium water. This water conditioner works fast to make tap water safe for fish. It neutralizes chlorine, chloramines and heavy metals that are harmful to fish. Contains BioExtract with natural biopolymers which support the development of beneficial filter bacteria for healthy, clear water. Enhances fish's natural protective slime coating and helps heal abrasions with unique colloid ingredients. Ideal for all fresh and marine aquariums. Principal ingredients: Sodium hydroxymethane sulfinate, chelating compounds, polyvinyl pyrollidones, seaweed biopolymers, organic hydrocolloids. Directions for use: AquaSafe should be used when setting up a new aquarium and with every partial water change or evaporation replacement. Shake well before using. Add one teaspoon for every 10 gallons of water. Top of bottle cap can be used for measuring.