The scale inhibitor filter removes calcium and magnesium ions to reduce scale buildup, soften water, and protect your appliances and plumbing system from scaling and corrosion. Efficient Filtration: The filled silica-phosphate beads slowly release protectants that bind with calcium, magnesium, and other hard water ions, preventing scale formation, softening water, and protecting appliances and plumbing from corrosion.
eBay