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🔵 Shock your pool, not your schedule — brilliance guaranteed!
HTH 52039 Shock Ultra is a powerful, fast-dissolving Cal Hypo pool sanitizer that boosts chlorine levels without adding cyanuric acid, preventing chlorine lock and algae growth. Designed for all pool types, it kills bacteria, controls algae, prevents stains and scale, and reduces skin and eye irritation. The built-in Visible Blue Action confirms it's working, delivering crystal-clear water within 24 hours when used weekly as part of a smart pool care routine.
| ASIN | B0DC8669GD |
| Best Sellers Rank | #12 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Swimming Pool Chlorine |
| Brand Name | HTH |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,245) |
| Included Components | HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical |
| Item Form | Tablet |
| Item Type Name | Swimming Pool Chemical Prevents Bacteria, Algae, Stain & Scale, Cal Hypo Formula |
| Item Weight | 4 pounds |
| Manufacturer | Innovative Water Care |
| Manufacturer Part Number | 52039 |
| Manufacturer Warranty Description | Warranty |
| Model Number | 52039 |
| Number of Items | 4 |
| Package Size Name | 4 Pack |
| Product Benefits | Controls Algae, Kills Bacteria, Maintains Clean Sanitized Water, Prevents Stains |
| Unit Count | 64 Ounce |
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