Fluker’s Hermit Crab Headquarters has Freshwater Conditioner for Hermit Crabs, a safe way to turn your tap water into safe freshwater. It neutralizes toxic chlorine and chloramines, so your Hermit Crab can benefit from a dish of fresh water for drinking or soaking in, without all the extra chemicals. Freshwater Conditioner for Hermit Crabs also detoxifies many heavy metals, such as copper, lead, and zinc. 2 oz. bottle.