Spa Pure Granular ChlorineWith Spa Pure Granular Chlorine there is never a need to pre-dissolve before use. Simply add to the hot tub water and the granules will quickly treat the water without the extra steps required with some lesser brands of chlorine. Features: Spa and hot tub chlorine granules Quick-dissolving chlorinating concentrate Kills bacteria and sanitizes water Doesn't require pre-dissolving Works quickly to raise chlorine levels Size: 2 Pounds Ingredients: Sodium dichloro-s-triazinetrione dihydrate 97.0% Other Ingredients 3.0% Dosage Amounts: Initially the spa should be treated with 1 tsp per 500 gallons of water. To maintain a chlorine residual between 1 ppm and 3 ppm add this product at the rate of 1/2 tsp. per 500 gallons when chlorine residual drops to 1 ppm.
