Description
IN-STORE PICKUP ONLY
Cal-Shock contains 68 percent active ingredient. Convenient and fast dissolving. Economical effective sanitizer. The available chlorine (65 percent) is released when the product is dissolved in water. Shock treatment used for shocking or super chlorinating pool water to destroy organic contaminants and clear up hazy water. Long lasting. Low cost and easy to use. Works continually to kill bacteria. Self-stabilized preventing sunlight from degrading the chlorine.