Give your aqua friends a cleaner environment to live in with this Tetra Pond Aquasafe 250ml. It makes the tap water safe for fish. Acts fast with long-lasting benefits, this aqua safe keeps your fish healthy for a longer time. Use it while conducting partial water changes or top it up on water after prolonged spells of rainfall. It removes chlorine, chloramine, copper, zinc and lead from tap and rainwater. The added iodine promotes vitality and the readiness to spawn. WaterSafe contains active ingredients that work to neutralise harmful elements in mains water including chlorine and heavy metals. These can often prove hazardous to the health of your fish when mains water is used to replace or top up pond water, causing significant stress and adjusting the balance of your pond. With WaterSafe, these harmful elements are neutralised and the active colloids in the treatment act to cover fish in a protective coating that accelerates the healing process and treats minor injuries. A trusted brand for removing chlorine.