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Jandy® R0522900 Universal Half Union for CV340/CV460/CV580/CS100/CS150/CS200/CS250 Cartridge Filters & DEV48/DEV60 DE Filters
perfect for replacing electrolytes for large groups
yet doesn't add any chlorine to your system
Will not rust or dent and is resistant to most chemical compounds
JACK'S MAGIC Quart The Sapphire Stuff™ lens-cleaning-products Jandy® R0522900 Universal Half UnionThis formulation combines a powerful clarifier, sequestrant, chelating agent and flocculent in one. The Sapphire Stuff helps prevent scaling, staining, scum line buildup and foaming in swimming pools and spas. It requires no premixing, will not affect pH and is compatible with all swimming pool sanitizer systems. The Sapphire Stuff removes oils, soaps, metals, cosmetics and other particulate matter that can cause staining, cloudy water and
