800-Test Liquid Master Kit That's More Accurate Than Strips, Lasts Forever, and Actually Tells You What's Wrong With Your Tank

<p>Gold standard of aquarium water testing. Liquid reagent tests are dramatically more accurate than strips—actual ppm readings, not vague color zones. 800+ tests per kit means years of use. Includes pH, high-range pH, ammonia, nitrite, and nitrate. Color-coded cards with clear instructions. Trusted by</p>