BOSIKE Test Strips for Hot Tub 6 in 1 Accurate Testing Kit for Thermal SpringWarm WaterTest Total HardnessFree ChlorineBromineTotal ChlorineAlkalinity and pH125 Strips

Description: Why do I recommend hot tub test strips? Being able to actually enjoy a relaxing soak in a hot tub means making sure the chemical levels are properly balanced so that water is clean and safe. Untested water may develop a chemical imbalance that makes eyes and skin feel uncomfortable. Whether you're going on vacation or hoping to keep your hot tub in check, BOSIKE test strips are a vital must-have. Test Range: Total Hardness:0~1000ppm?Ideal range:250~500? Free Chlorine:0~10ppm?Ideal range:1~3? Bromine:0~20ppm?Ideal range:2~6? Total Chlorine:0~10ppm?Ideal range:1~3? Total Alkalinity:0~240ppm?Ideal range:80~120? pH:6.2~9.0?Ideal range:7.2~7.8? Warm Tips: 1.Keep wet fingers out of the bottle. 2.Avoid touching or polluting the test area of strip. 3.Close cap tightly after removing strips. 4.For best results read in natural daylight. 5.Store in a cool dry place. 6.Once opened, use up within 100 days.