Jack's Magic Products

An ounce of the Natural Multi-Enzyme Super Pacs product will treat a 20,000-gallon pool for two weeks, and high chlorine levels won’t diminish the liquid enzyme’s performance. Just drop the water-soluble pouch by Jack’s Magic Products Inc. into the skimmer while the pump is on, making it an easy product application for service calls or homeowners while preventing the buildup of organic contaminants.Contact: (800) 348-1656; www.jacksmagic.com

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