HTH pool care shock advanced cal-hypo formula 1lb (12 pack)
Cal hypo shock treatment for swimming pools; fast-dissolving 4-in-1 formula kills bacteria and algae, reduces chlorine odor, and restores crystal clarity. Customers note quick effectiveness and value
Highlights
- cal-hypo based formula
- 4-in-1 shock treatment
- visible water clarity restoration
Pros
- multi-functional shock treatment
- reduces chlorine odor and irritation
- restores water clarity quickly
- cal hypo formula sanitizes without CYA
Cons
- dissolution speed may vary by user
- requires regular weekly use
Best For
Features
- Fast-dissolving 4-in-1 shock treatment kills bacteria and algae within 24 hours
- Cal Hypo-based formula sanitizes without adding cyanuric acid (CYA)
- Restores crystal clarity and reduces chlorine odor and irritation
- Compatible with all pool types, including vinyl-lined and saltwater systems
- Pair with HTH 6-Way Test Strips to test and balance water twice weekly
