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BioGuard Scale Inhibitor - 1 Qt.

BioGuard Scale Inhibitor - 1 Qt.


BioGuard Scale Inhibitor - 1 Qt.

SKU: 23902BIO

In stock

BioGuard® Scale Inhibitor - 1 Qt.


BioGuard Scale Inhibitor prevents scale build-up from high calcium levels. It also prevents stains caused by iron, copper and manganese. This product has recently been reformulated and is four times more effective than it was previously. Regular use of this new concentrated formula prevents scale build-up on pool surfaces, piping, filtration, and heating elements. This product will not affect pH. Scale Inhibitor will continue working 3-4 weeks after application.

What's in the Box

  • 1 x BioGuard® Scale Inhibitor - 1 Qt.


  • Prevents and removes metal stains and scale from pool surfaces.
  • Protects pool equipment from scale and metal stains.
  • Prevents cloudy water due to high calcium levels.
  • For chlorine or bromine treated pools.


  • Sodium dichloro-s-triazinetrione: 63.05%
  • Copper (metallic): .26%
  • Other Ingredients: 36.9%
  • Available Chlorine: 39%


Initial Treatment:

  1. 32 fl oz per 10,000 gallons of water.
  2. Backwash filter according to manufacturers directions. With the pump running add 1 quart of this product per 10,000 gallons of water, pouring product directly into the pool. Continue to run pump for 24 to 48 hours after this addition.

Maintenance Treatment:

  1. 16 fl oz per 10,000 gallons of water per month.
  2. For the maintenance dose, apply 16 fl. oz. of this product per 10,000 gallons of pool water once a month. Add product directly to pool water with pump on. Maintenance doses should be used for pools in areas where excessive hardness or metals cause constant scale and staining problems.

Removal of Fresh Stains:

  • 32 fl oz per 10,000 gallons of water.
  • Many fresh (less than 5 days old) metallic stains can be removed by this product. Add this product at a rate of 1 quart per 10,000 gallons of water. Apply directly to the pool in the area of the stains. Brush the stained area daily for 3 to 5 days. Large metal stains may require repeat treatments. Where metal stains have aged into the pools surface, draining and acid washing is recommended for white plaster pools only. Consult your BioGuard dealer regarding this matter.



Most products purchased from our online shop within the last 30 days can be returned.

The following items are non-returnable:

  • Gift cards
  • Electronics
  • Pumps / Motors
  • Hot Tubs
  • Closeouts
  • See return policy below for made-to-order/special-order return eligibility.