Little PlumberLP1 Water Softener and Electronic Descaler - Perfect For 1-4 Bedroom Houses - Easy To Install - Removes Existing Limescale - Protects & Extends Life Of Appliances

Water Softener System by Little Plumber - Whole House Descaler - No Salt Water Softener - Electronic Water Descaler - Compact, Easy to Use, One Year Guarantee

Varify 7 in 1 Pool and Spa Test Strips- Easy to Use Water Testing Kit for Pool, Spa, Hot Tub & More - Tester Strip for Water Hardness, Chlorine, Bromine, pH, Alkalinity and Cyanuric Acid (100 Strips)

WeAQUA Water Hardness Test Kit - DoubleCheck200 Strips with Sample Cup - Hard Water Testing Kit