The sanitizing power of chlorination in concentrated granules. Chlorinating Listen must be added instantly to spa water even as the pump is running. Use regular doses as a sanitizer and shock doses as an oxidizer.
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Fast acting
Add as had to care for 3-5ppm
Acts as a sanitizer and an oxidizer; little need for 2 products
Is also added instantly to spa, no predissolving needed.
Quick dissolving
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