Brightwell Aquatics Erase-Cl Chloramine, Chlorine, and Ammonia Remover. Removes Chlorine, Chloramines, & Ammonia in all Marine, Reef, and Freshwater Aquaria Overview * Removes chloramines, chlorine, ammonia, and nitrites present in tap water and/or aquarium water. * May be used to neutralize iodine in the event of an aquarium overdose. * Used as directed, is safe for use directly in all marine and freshwater aquaria. * Free of phosphate and silicate. * Formulated by a marine scientist.