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The Secret to Crystal Clear, Silky Water. Your Master Spas hot tub is an investment in relaxation—don't compromise its performance with low-grade salt. Master Clear Salt Plus is the only salt specifically formulated and approved for use with the Master Clear® Salt System.
While generic salts often contain anti-caking agents, iodine, and trace metals that can stain your acrylic and shorten the life of your salt cell, Master Clear Salt Plus is refined to an ultra-pure standard. This ensures your electrolysis system operates at peak efficiency, converting salt into pure, soothing sanitizer without the chemical smell or skin irritation of traditional chlorine.