Clorox Spa 10022CSP Spa pH Down, 22-Ounce

Clorox® Pool&Spa™ Spa pH Down, Lowers pH in Spa Water, Safe for All Spa Types, 22 ounce (Pack of 1)

Clorox Pool&Spa pH Up, Raises pH in Spa Water, Safe for All Types, 18 Ounce (Pack of 1)

EASYTEST 9-Way Pool Test Strips, 140 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper