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Designed to treat existing scale and metal problems
Scale or calcium carbonate build-up can cause damage to your spa surface as well as your circulation system.
BioGuard's newly reformulated Stain & Scale Control does a great job of preventing scale - more than four times better than the previous formula-by introducing powerful agents that bond to problem-causing calcium ions in your spa water. Stain & Scale Control will also tie up metals in your water-such as iron, copper and manganese-that can cause stains and discoloration.