2026 NEW Cal-Chlor Calcium Hypochlorite Pool Shock Granules, 50 Lbs

Cal-Chlor calcium hypochlorite chlorine granules are designed for sanitizing swimming pools and spas. The non-stabilized formula can be used for routine treatment or as a shock treatment when extra sanitizing power is required.

• 68% available chlorine
• Contains no cyanuric acid
• Suitable for swimming pools, spas, and hot tubs
• Can be used for residential or commercial pool treatment
• Vinyl pools should pre-dissolve product in a bucket of water
• Available in 25 lb and 50 lb buckets