Quick-Dissolving Granular Formula: SpaGuard pH Increaser provides spa owners with a quick-dissolving granular formula to raise dangerously low pH levels, preventing costly damage to spa plumbing, fixtures, and surfaces. Spas & Hot Tubs pH Raiser: A low pH can cause eye irritation, strong chemical...

Boosts Calcium Hardness: SpaGuard's Calcium Hardness Increaser enables spa owners to increase their calcium hardness with this easy to use granular formula, which will boost your calcium hardness to above the danger zone, where low levels cause extensive corrosion of plumbing, jets, fixtures, and...

Brand: SpaGuardColor: WhiteFeatures: Ultimate Water Clarity: SpaGuard's Chlorinating Concentrate ensures your spa water stays brilliantly clear. Its fast-dissolving formula works swiftly to eliminate impurities, providing an oasis of crystal-clear water for your ultimate relaxation. Powerful Treatment: Trust in SpaGuard to guard to deliver a...

Fast-acting & Quick-Dissolving: SpaGuard's Chlorinating Concentrate provides spa owners with the sanitizing power of chlorine in a quick-dissolving granular form, making application quick and easy. One-Step Sanitizer & Oxidizer: SpaGuard Hot Tub Chlorinating Concentrate is a simple to use chlorinating granule for sanitation and...