9-in-1 Aquarium Water Quality Test Strips

Keep your aquarium environment safe and stable with these 9-in-1 test strips, designed to quickly monitor critical water parameters for both freshwater and saltwater tanks. Tests 9 essential parameters: pH, iron, copper, nitrate, nitrite, free chlorine, hardness, total alkalinity, and carbonate Includes a dedicated test tube for accurate sample collection and easy color comparison Provides instant, reliable results by dipping the strip for just two seconds and comparing colors after 30 seconds C