Check the listing for details. Jack's Magic The Sapphire Stuff 4-in-1 Clarifier For Swimming Pools - 1 Quart. Condition: New. Listed at 25.18 USD. Jack's Magic® The Sapphire Stuff® 4-in-1 Clarifier For Swimming Pools - 1 Quart - (Choose Quantity) Jack's Magic® The Sapphire Stuff® produces super clear water fast through a highly effective "4 x 1" action: the rich sapphire blue formulation combines a powerful clarifier, sequestrant chelating agent, and flocculent in one convenient product. The Sapphire Stuff help prevents scaling, staining, scum line buildup, and foaming in swimming pools and spas. Its powerful 4-in-1 liquid formula combines a clarifier, flocculent, chelating agent and sequestrant to quickly group together microscopic contaminants into large enough particles to be trapped the pool filter, while being much easier to apply than granular alternatives. Best of all, The Sapphire Stuff is compatible with all types of sanitizer systems, making it safe for use in any pool. The Sapphire Stuff 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 discoloration in swimming pools and spas.The Sapphire Stuff also increases filter efficiency. Features: Achieve super clear water fast through the highly effective Jack's Magic The Sapphire Stuff 4-in-1 action! Ultimate convenience! The rich sapphire blue formulation combines a powerful clarifier, sequester, chelating agent, and flocculent in one product. Even helps prevent scaling, staining, scum line buildup, and foaming in swimming pools and spas. Requires no premixing! Does not affect pH, and is compatible with all swimming pool sanitizer systems. Removes oils, soaps, metals, cosmetics, and other particulate matter that can cause staining, cloudy water, and discoloration in swimming pools and spas. Dosage: If this is an initial application, clean or backwash the pool filter (according to the manufacturer's guidelines) prior to adding product to the swimming pool water. Allow at least 6 hours of continuous circulation after application of product for best results. Maintenance dosage under normal conditions is 1 ounce per 5,000 gallons applied once every 2 weeks. This will produce a beautiful pool with sparkling clear water. Add 1 fl oz per 5,000 gallons of water. FAQ: How long after I put in the Sapphire Stuff is it safe to swim? You should allow 15 minutes of circulation before swimming.