Check the listing for details. SpaGuard Chlorinating Concentrate 2 lb - 2 Pack. Condition: New. Listed at 59.98 USD. SpaGuard's Chlorinating Concentrate is the perfect solution for spa owners who want to keep their spas clean and healthy. This quick-dissolving granular form provides the sanitizing power of chlorine in a convenient and easy-to-use format. Simply add the granules directly to spa water while the pump is running, and they dissolve completely to start disinfecting your spa. With its fast-acting and quick-dissolving properties, this product provides the sanitizing power of chlorination in a concentrated form. It also acts as both a sanitizer and an oxidizer, eliminating the need for two separate products. And, unlike other chlorinators, there's no need to pre-dissolve these granules. SpaGuard's Chlorinating Concentrate is a granular stabilized chlorinator that delivers powerful and effective spa sanitation in a convenient and hassle-free format. Keep your spa clean, clear, and healthy with SpaGuard's Chlorinating Concentrate. Product Benefits: Granular stabilized chlorinator Fast acting Quick dissolving Acts as a sanitizer and an oxidizer; no need for two products May be added directly to spa, no pre-dissolving needed