HTH™ 1 Inch Chlorine Tablets are slow-dissolving, UV-stabilized pool sanitizer tablets sized for smaller and above-ground pools.

• Each tablet lasts 5-7 days
• Maintains free chlorine at 1-4 ppm
• Built-in UV stabilizer prevents sun loss
• Start with 1-2 tablets per 5,000 gallons per week
• Use in floater, feeder, or skimmer basket only. Never place on pool surfaces
• Choose 1" for small/above-ground pools, 3" for larger in-ground pools
  

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