Carbon dioxide (CO2) is present in water as a dissolved gas, like oxygen. High CO2 can stress and even kill fish. It also forms carbonic acid, which lowers the pH. Testing takes 2 minutes. 0 to 50 ppm. Ships Hazmat.
Carbon dioxide (CO2) is present in water as a dissolved gas, like oxygen. High CO2 can stress and even kill fish. It also forms carbonic acid, which lowers the pH. Testing takes 2 minutes. 0 to 50 ppm. Ships Hazmat.
