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Your cart is empty.Prevent scaling & pool stains. From Jack's Magic pool cleaners, The Purple Stuff is a powerful pool chemical designed for effective pool stain prevention. Developed for high salt and high TDS pools, The Purple Stuff keeps silica in solution while greatly reducing the incidence of scaling in salt (chlorine) generators. Keep your pool chlorine generator working at its fullest potential with Jack's Magic The Purple Stuff. Your saltwater pool will love it!
Mike
Reviewed in the United States on August 8, 2024
Works great!
Gary
Reviewed in the United States on November 3, 2024
Added a bottle to our salt water pool and the brown discoloration disappeared. This product worked for me in my pool. A bit pricey, but it works! Highly recommend.
John
Reviewed in the United States on September 26, 2023
This cleared up the metal problems I had with staining but is very pricey. Also the stains started to come back after 3-4 weeks.
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