King British De-Chlorinator makes tap water safe for fish. Use during initial tank set-up and whenever conducting partial water changes. De-Chlorinator neutralises harmful chlorine & chloramines and detoxifies heavy metals allowing tap water to be safely added to a fish tank. Also contains Aloe Vera to aid fish health. For use in tropical & coldwater aquariums. One 100 ml bottle will treat 900 litres of tap water.How to useMeasure the water for treatment into a clean container, free from any chemical contaminants.Using the pipette (1ml) or the cap (4ml), add the required amount of de-chlorinator at 1ml per 9 litres to the water.Gently pour over aquarium water’s surface, being careful to cause minimal disturbance to the aquarium.Health & SafetyWarning: Not suitable for marine aquariumsStorage: Store the bottle in this carton in a cool dry place. Warnings: Keep out of the reach of children.