Cal-Hypo Pool Shock (1 lb)

Jeff's Pool & Spa Service Verified independent store

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Fast-acting calcium hypochlorite shock for plaster, gunite, and concrete pools. Quickly raises chlorine to kill algae, clear cloudy water, and burn off combined chlorine. Pre-disso lve in a bucket of water and add at dusk with the pump running.Available for in-store pickup. Show more