POOLACC Pro-Grade Chlorine Pool Shock, 68% Cal-Hypo Granular Sanitizer, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, Swimming Pool Chemical - 25Lb

Fast-Acting Pool Shock: Instantly boosts chlorine levels to eliminate algae and contaminants, keeping your pool water visibly sparkling. Multi-functional Shock Treatment: Effectively kills bacteria & virus, prevents algae, controls chlorine odor, reduces irritation, and quickly restores crystal clarity, ideal for routine pool water maintenance. Compatible with All Swimming Pools: Vinyl-lined pools or saltwater systems, above ground pools or inground pools. Pre-dissolve or dilute to avoid bleaching the liner. Pro-Grade Cal Hypo Formula: Made with 68% calcium hypochlorite and 68% available chlorine for powerful, long-lasting pool maintenance. Sanitizes without adding cyanuric acid (CYA) to prevent chlorine lock. Dosage: Add 10-20 ounce of the product per 10,000 gallon of water in the pool. This will yield 5-10 ppm of available residual chlorine by weight in the pool.