Innovative Water Care HTH™ Granule Shock Treatment

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.

• All-in-1 weekly cal hypo pool shock
• Use weekly to solve 90% of pool water problems
• Restores crystal clarity in 24 hrs
• Visibly Brilliant Sparkle: This cal hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
• Visible Blue Action: This built-in feature lets you know the product is working
• Compatible with All Swimming Pools: This product is great for all pool types including vinyl-lined pools and saltwater systems
• You’re All Clear with HTH: For best results, use with HTH 6-way test strips to test and balance your swimming pool water twice weekly

• Add Directly To Water OR Skimmer: Follow the on-pack instructions according to your swimming pool size. Make sure to use a clean, dry scoop
• Repeat Weekly: For best results, use HTH shock ultra as part of your weekly pool care routine to keep chlorine levels between 1 and 4 ppm

• Size: 1lb