NST Prime Tablets: Calcium Hypochlorite Tablets SIZE:4.5lb Kills algae in one fell

Kills algae in one fell swoop

Protects your spa cover from weathering

Part #5 (see Hayward Aboveground Skimmer Standard Style parts breakdown in photos)

lid with o-ring

Strainer cover o-ring for Hayward Superpump

NST Prime Tablets: Calcium Hypochlorite Tablets SIZE:4.5lb Kills algae in one fellA sanitizer that lasts for days! With its unique octagon shape, these extended release calcium hypochlorite tablets use a proprietary slow dissolving Cal Hypo technology. Whats more, it does all this without adding any Cyanuric Acid (CYA) to your pool water. A convenient and easy to use Cal Hypo tablet Unique octagon tablet sanitizes pool water without adding any Cyanuric Acid (CYA) Slow dissolving calcium hypochlorite tablets one extended release