12LBs Pool Shock 68% Calcium Hypochlorite-Chlorine Granular Sanitizer-Kills Bacteria, Algae & Microorganisms-for Inground Pools, Above Ground Pools, Hot Tubs & Spas-1 lb Bag (12-Pack)

Fast Dissolving - See Results in Just 15 Minutes!：Fast-acting granules dissolve immediately upon application - no pre-dissolving needed, just pour directly into your pool for quick treatment.

• 68% High-Potency Formula - Industry's Strongest Algae & Bacteria Killer! ：Our calcium hypochlorite pool shock contains 68% active ingredient (highest commercial grade) to eliminate all microorganisms and keep your water crystal clear with weekly maintenance.
• CYA-Free Professional Formula - No Chlorine Lock, Works with All Systems!：Specially designed non-stabilized formula prevents chlorine lock issues and works perfectly with both saltwater and traditional chlorinated pools.
• Fast Dissolving - See Results in Just 15 Minutes!：Fast-acting granules dissolve immediately upon application - no pre-dissolving needed, just pour directly into your pool for quick treatment.
• Universal Compatibility - Perfect for Every Pool Type:Safely use in all pools including concrete, vinyl-lined, above-ground, in-ground, and commercial pools - even compatible with saltwater systems.
• Pre-Measured for Perfection - 1 Pack = 12,000 Gallons of Clean Water!:Convenient 1lb pre-portioned packs (12 per case) provide ideal 5-10ppm chlorine levels - simply use one pack per 12,000 gallons for perfect results every time.