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BioGuard Instant Stabilizer 100 - 1 Gal.

SKU: 23217BIO

This product will be available soon!

BioGuard® Instant Stabilizer 100 - 1 Gal.


BioGuard Instant Stabilizer 100 (1 gal) prevents the flood of free chlorine due to sunlight. This quick-dissolving formula is easier to apply than granular stabilizer. Protecting your chlorine with this product reduces chlorine consumption and maintenance costs.

What's in the Box

  • 1 x BioGuard® Instant Stabilizer 100 - 1 Gal.


  • Prevents free chlorine loss due to sunlight.
  • Quick-dissolving.
  • Improves efficiency of chlorine generators.


  • Monosodium cyanurate monohydrate: 35%
  • Percentage of Constituents Ineffective as Spa Adjuvants: 65%


  1. Shake Well.
  2. With circulation pump running, slowly pour BioGuard Instant Stabilizer 100 into pool skimmer or directly into pool while walking around the edge of pool. Brush to rapidly disperse product.
  3. Rinse container with pool water and shake to ensure all product is removed from the bottom of the bottle.
  4. Pour remaining rinse solution into the skimmer or pool.



Most products purchased from our online shop within the last 30 days are eligible for return. Please review our return policy to see the list of items that cannot be returned.

Some major items that are non-returnable:

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