* 4 Pack Spa Pure Granular Chlorine 2 lbs – Combined Shipping See Description
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When starting up a new hot tub or spa, superclorinate to satisfy chlorine demand and to establish a chlorine residual of 1.0-2.0 ppm available chlorine.
Add 1 ounce of this product per 500 gallons of spa and hot tub water. This product should be added daily or as needed at the rate of 1/8 to 1/4 ounces per 500 gallons of hot tub or spa water to maintain a chlorine residual at all times of 1.0-2.0 ppm as determined by an accurate test kit. The pH should be maintained between 7.2 to 7.6.