Metal Free is a powerfully effective metal, stain, and scale reducer/eliminator which inhibits the formation of rusty, green, brown, black or cloudy precipitates in spa water. It can also be added to clear up metal coloration already present in your hot tub
Product notes: Most water discoloration problems result from the presence of metallic impurities such as iron (rusty color), copper (green) or other minerals (black, brown, etc). These discolorations may be present in the source water, or can be the result of the acidic action of water with low pH on: spa pipes, metal heater parts, and equipment. If using the Cleanwater Blue sanitizer system, use Cleanwater Purge instead of Metal Free. Replaces Minquest and Metal Gon.
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