HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical, Cal Hypo Formula (1 Pack)

Description

💦 Shock Your Pool to Sparkle-Perfection!

The 52039 Swimming Pool Care Shock Ultra uses a powerful Cal Hypo formula to rapidly sanitize and clarify all pool types without adding cyanuric acid, preventing chlorine lock. Its visible blue action indicator confirms effectiveness, while its gentle formula reduces skin and eye irritation. Compatible with vinyl and saltwater pools, it tackles 90% of common pool problems within 24 hours, ensuring a brilliantly clear, soft, and healthy swimming environment.