PacifiClear Cal-Shock 25 Lb. Granule Drain-Sleeve Its one-of-a-kind FlipBit design lets

Its one-of-a-kind FlipBit design lets you drill two hole sizes with one bit by simply flipping the bit over to select a different size

100% functionally tested at ¼" H2O and 30" H2O ensuring trouble free performance

Hardened steel for durability

helps prevent flare ups associated with dry and itchy skin

3" Length Closed

PacifiClear Cal-Shock 25 Lb. Granule Drain-Sleeve Its one-of-a-kind FlipBit design letsGranular form of chlorine used to chlorinate, sanitize, and disinfect swimming pools. Contains 65% available chlorine. Convenient, easy to use, and fast dissolving. Chlorine is released when the product is dissolved in water and works continually to prevent growth of algae and bacteria. Used for shocking or super chlorinating pool water to destroy organic contaminants and clear up hazy water. Can also be used as a sanitizer and disinfectant for: