AQUACHEK 3-In-1 Blue Biguanide Test Strip 25 Count 561625A single-and-multi-gas-detectors reach for the unique frozen

reach for the unique frozen solution designed to help you replace what the body sweats out

100% Pure Concentrate

When properly fitted and used with approved 3M™ cartridges and filters

preventing accidental removal

AQUACHEK 3-In-1 Blue Biguanide Test Strip 25 Count 561625A single-and-multi-gas-detectors reach for the unique frozenAquaChek 561625A Test Strip; Biguanide Total Alkalinity pH Testing, Blue, 25 Strips Bottle Ideal for customers who use biguanide as a sanitizer in their pool or spa. Biguanide is a chlorine free sanitizer such as BAQUACIL Chlorine Free Swimming Pool Sanitizer and Algistat, BaquaSpa Sanitizer, Softswim Bactericide, PolyClear