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 hours
How to use
HTH® Shock Advanced
1. Add Directly To Water Or Skimmer
Follow the on-pack instructions according to your swimming pool size.
2. Repeat Weekly
For best results, use HTH® Shock Advanced as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4 ppm.