POOLACC Pro-Grade Chlorine Pool Shock — 68% Cal-Hypo Granular Sanitizer, 24 x 1lb

Fast, reliable pool shock for clear water

PoolAcc Pro-Grade Chlorine Pool Shock delivers a fast-acting boost to your pool sanitizer. Each 1 lb bag is formulated to raise free chlorine quickly, helping reduce bacteria, algae, and contaminants, so water looks inviting and invitingly clean.

The 68 percent Cal-Hypo formula provides strong available chlorine content. It sanitizes without adding cyanuric acid, which helps prevent chlorine lock and supports consistent sanitization for longer periods.

Flexible and compatible

Designed for vinyl liners, saltwater pools, above-ground, and in-ground systems, this shock works across many setups. For safe application, pre-dissolve or dilute the product before pouring into the water to minimize direct contact with pool surfaces.

• Multi-functional shock treatment that helps control chlorine odor and minimize irritation
• Quickly restores crystal clarity after heavy use, storms, or warmer days
• Convenient 24 x 1 lb bags for scalable, on-demand maintenance

Usage tips for best results

• One bag per 10,000 gallons raises chlorine to about 5–10 ppm
• Pre-dissolve or dilute before adding to minimize liner contact
• Use after heavy pool use, rainfall, or when water appears hazy

With POOLACC, you can plan maintenance around your schedule. Results can vary with water balance, pool type, and usage, but many pool owners find that regular shock treatment helps maintain a refreshing, clear pool experience.