Follow enclosed instructions for each separate test. Tests saltwater aquariums for four different water pollutants in order to protect fish and invertebrates from dangerous water conditions. For use with saltwater aquariums only. Complete test kit to test marine water. Includes tests for high range pH, ammonia, nitrite, and nitrate. Also features computer analyzed laminated color cards, instruction booklet, four test tubes, holding tray for test solutions, and test tube rack.
