Aqua Medic is Meersalz of high quality salt aquarium, meets all the requirements of the synthetic salt. Component is made from highly refined and contains pH buffer and all essential trace element required for saltwater aquariums. It dissolves rapidly, leaving no residue, and can be used after mixing. Its quality has been proven by many public aquariums, wholesale salt water pees and thousands of coral reefs and fish. It is an economical solution for a lasting application.