HTH 3 Chlorine Tabs Ultra (Model 42056W) are individually wrapped, slow-dissolving chlorine tablets formulated to sanitize, shock, soften, and clarify pool water while helping prevent stains and scale. Each 3-inch tablet releases chlorine gradually for up to one week, making weekly maintenance simple and consistent. Tablets are intended for use in floaters, automatic feeders, or skimmer baskets and are compatible with all pool types, including vinyl-lined and saltwater systems. Packaging keeps tablets individually wrapped to preserve potency and reduce handling dust. For best results, test and balance water twice weekly with HTH 6-Way Test Strips and maintain free chlorine between 1 and 4 ppm. Net weight: 8 pounds.
All-in-one sanitizer and shock treatment that kills algae and bacteria while clarifying and softening pool water
To use: place tablets in a floater, automatic feeder, or skimmer basket for steady chlorine distribution
Slow-dissolving 3 tablets provide long-lasting ch lorine release, lasting up to one week per tablet
Compatible with all pool types, including vinyl-lined pools and saltwater systems
For optimal water balance, test twice weekly with HTH 6-Way Test Strips and maintain chlorine at 1 to 4 ppm
Individually wrapped tablets preserve potency and make handling cleaner and safer.
Contains 8 pounds of 3" chlorine tablets for regular weekly maintenance.
Chlorine chemical formulation in tablet form for reliable sanitization and shock capability.
Designed for simple weekly pool care to keep water clean, clear, and comfortable.