$5.49
HTH Shock-N-Swim Swimming Pool Shock - 1 lbs
Item: #177413
47% Calcium Hypchlorite is used to economically destroy algae and bacteria. Should be pre-dissolved prior to application to sort out calcium carbonate. Apply at night at the rate of 1 lb per 10,000 gallons. For green water add 3 lbs per 11,500 gallons.
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