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Stain and Scale Control | 42644BIO



In stock (can be backordered)


SpaGuard’s Stain and Scale Control enable spa owners to prevent and remove stains caused by iron, copper and manganese, as well as scaling caused by a high level of calcium. Stain and Scale Control’s formula bonds to troublesome metal ions in your spa water while simultaneously eliminating scale build-up that causes cloudy water.  Simply add this powerful liquid formula weekly to safeguard your spa or hot tub from these threats.


1 fl oz per 300 gallons of water per week.


  1.  Pour entire dosage directly into the spa water with the pump operating. Keep pump operating for at least 2 hours.
  2. Some existing stains may be removed by brushing stain with a spa brush after application of Stain & Scale Control (we recommend a scum bug.)
  3. Weekly application of 1 oz. per 300 gallons is recommended to prevent scale and stains.
  4. Clean filter according to label directions for your type of filter using SpaGuard Filter Cleaner & Degreaser. This will allow Stain & Scale Control to work properly.

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