SUPZEOF 7 in 1 Aquarium Test Strips,Freshwater Master Kit,Water Testing Paper for Pond and Fish Tank,Nitrite, General Hardness, Free Chlorine,pH, Carbonate-50PCS

Description

【7 IN 1 test strips】test for 7 parameters Nitrate, Nitrite, pH, Free Chlorine, Total Chlorine, Total Alkalinity, Hardness at the same time
【Fast and Accurate】Just dip a strip into water for 2 seconds and then remove it. Hold the strip horizontally for 30 seconds. Compare with color chart and read within 30 seconds.
【Wide Applications】These strips are widely used for swimming pool, spa, bath, hot tub and other water chemistry testing.
【Long-term Storage】50 refills in sealed moisture-proof foil bag to ensure the strips can be stored for 2 years.
【Keep your water Clean】 It is important to test your pool or spa often to keep water fresh and sparkling clean. Test your pool and spa a minimum of twice a week. Please contact customer support for any questions.