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BioGuard Arctic Blue Shock - 2 lb.

BioGuard Arctic Blue Shock - 2 lb.


BioGuard Arctic Blue Shock - 2 lb.

SKU: 24298BIO

Low stock

BioGuard® Arctic Blue Shock - 2 lb.


BioGuard Arctic Blue Shock is the perfect first step in winterizing your pool, killing off bacteria, algae, and other contaminants that can wreak havoc on your pool during the long winter months. Its powerful granular formula can be quickly broadcast into your pool without needing dilution, saving you from handling messy liquids. When used in conjunction with an effective algaecide, your pool will stay clean and healthy throughout its winter slumber, making spring openings much faster and hassle-free.

What’s in the Box

  • 1 x BioGuard® Arctic Blue Shock - 2 lb.


  • First step in an effective winterization program.
  • Restores water clarity.
  • Oxidizer, buffer, clarifier, flocculent.
  • Ideal for all pool surfaces.


  1. Broadcast the entire dosage into the deep end of the pool.
  2. Brush any undissolved product off the surface of the pool with a compatible brush.
  3. Continue to circulate the pool for a minimum of 30 minutes before proceeding to the next step in the winterization process
  4. It is recommended that as part of the closing procedures, a quality winterizing algaecide be applied following the application of this product.
  5. For mesh covered or non-covered pools, a mid-winter treatment may be required using an appropriate BioGuard sanitizer.



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    • See return policy below for made-to-order/special-order return eligibility.