Solenis 52039 Shock Ultra Treatment, Powder, All in One Weekly Chlorine Boost (Case of 15)

Key Features

• All-in-1 weekly Cal Hypo pool shock
• Use weekly to solve 90% of pool water problems
• Restores crystal clarity in 24 hours

Use this all-in-one powerhouse to quickly and easily increase chlorine levels, prevent bacteria, algae, stain and scale, reduce skin and eye irritation, improve filtration and soften your swimming pool water. This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock. Product is great for all pool types including vinyl-lined pools and saltwater systems. Visible blue action feature lets you know the product is working. For best results, use HTH® Shock Ultra as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4ppm.