AquaChek 641426E Swimming Pool and Spa Nitrate/Nitrite Test Strips, 25 Strips

AquaChek's Nitrate Nitrite test strips give pool owners an easy, effective way to test for high nitrate-nitrite levels in their pool, which can cause uncontrollable algae growth and chlorine depletion that wreck pool usability. Considered the X-factor when diagnosing difficult pool problems, Nitrate Nitrite produces a quick, accurate reading of your nitrate-nitrite levels, which if high can be treated to restore chlorine's normal effectiveness and eliminate out of control algae. Test for free chlorine, total chlorine, total bromine, pH, total alkalinity, and cyanuric acid Results in only a minute! Test for nitrate/nitrite Easy to use and maintain your swimming pool or spa