DryTec 23224-06 Extra Shock Treatment for Swimming Pool Chlorine Bag (Pack of 6), 1 lb.
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<b>[Product Information]</b><br>
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<li>Chlorine pool shock, 73% calcium hypochlorite</li>
<li>Prevents algae growth</li>
<li>Clarifies pool water</li>
<li>Super chlorinates pool water</li>
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