GloFish Water Conditioner For GloFish Bettas is a scientifically developed conditioner with unique immune boosters and stress reducers that help your GloFish Betta to thrive and display full coloration. This easy-to-use formula removes chlorine, chloramine and heavy metals commonly found in tap water that can harm fish. Add this product to all tap water before use in your aquarium to ensure the health and safety of your fish. This formula's immune boosters and slime protectant promote GloFish Betta health. Use when setting up new aquariums, conducting partial water changes, when replacing evaporative water or when adding new fish. It is also safe and effective for all tropical fish.Shake GloFish Water Conditioner For GloFish Bettas well before use. For new aquariums, use 1/2 tsp per 5 gallons of water before adding fish to your aquarium. For aquarium maintenance, make sure the temperature of the new water is the same as the aquarium water temperature.