Spot Block Stain Eraser helps remove and prevent metal stains in pool and spa water caused by iron, copper, and other minerals. This easy-to-use block works gradually to lift stains from surfaces while keeping water clear and balanced. Ideal for spot treatment or ongoing stain control.
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Helps remove and prevent metal stains
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Effective against iron and copper staining
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Easy, slow-dissolving block
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Suitable for pools and spas
A simple, hands-off solution for cleaner, better-looking water from Swim & Spas.