Test your pool or spa's chemical levels in a flash; Bottle's colour chart tells you which chemicals to add; Checks chlorine, bromine, alkalinity and pH levels.
Crewell 50Pcs Swimming Pool Spa Water Test Strips PH Chlorine Alkaline Acid . of high quality products to meet your needs, from chemicals to cleaning tools.
Results 1 - 24 of JNW Direct Spa Test Strips for Hot Tubs - Count, Best Kit for Accurate Water Quality Testing at Home, 5 in 1 Hot Tub Testing Strips.
klumper.info: AquaChek 6-in-1 Test Strips for Spas and Hot Tubs where close to what is shown on the bottle to clearly understand chemical levels.