These are brand new but will come in a baggie and shipping box. The original pool rx box contains 4. I’m simply removing one and shipping . The Pool R-X Blue Pool Treatment is a single unit designed for above ground pools, suitable for treating fresh water. This product is specifically formulated for swimming pools and spas, helping to maintain clean and clear water for better enjoyment of your outdoor space. With a 6-month duration and the ability to treat pools with a capacity ranging from 7.5k to 20k gallons, this treatment offers convenience and effectiveness in keeping your pool water in optimal condition.
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