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View compareGLB Supersonic 73% Cal Hypo Granular Chlorine Shock, 1 lb Bag
GLB Supersonic 73% Cal Hypo Granular Chlorine Shock, 1 lb Bag
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$11.99
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Description
SuperSonic sanitizes, clarifies, fights algae and won’t overstabilize pool water. It’s safe for use on all pool surfaces and leaves no residue.