- These fast-acting pool chlorine tablets use a Cal Hypo formula that won't add extra cyanuric acid (CYA), which helps prevent over stabilization, cloudy water and chlorine lock
- Safe for all pool types, these chlorine tabs keep routine care simple and results beautifully blue
- For excellent results, apply Cal Hypo shock weekly, add a boost after storms or heavy use
- Pre-measured pool chlorine tablets simplify treatment and reduce guesswork for confident care
- CYA-free sanitation prevents overstabilization, cloudy water and chlorine lock for dependable clarity
- Use the free HTH Test to Swim app for step-by-step guidance and product recommendations
- Color: Light Blue
- Compositions: Calcium Hypochlorite
- Container Type: Bucket
- Form: Tablet
- Net Content: 4.75 lb
- Odor/Scent: Chlorine-Like
- pH Range: 11 to 12