BioGuard Arctic Blue Algae Protector, when used as directed, prevents the growth of pool algae and aids in maintaining pool water clarity during the winter when the pool is not in use. The product is formulated for use in chlorinated or brominated swimming pools of all surface and filter types

Directions

Test your pool water and properly balance your water for conditions in your area before application. If metals testing indicates a need to use a stain and scale inhibitor, apply that product per label directions. Allow the pool to circulate at least 1 hour before adding other products.

1. First, apply a BioGuard Shock or Oxidizer per label directions

2. Allow to circulate for 2-4 hours

3. Add 16 fl oz of BioGuard Arctic Blue Algae Protector for each 12,000 gallons of pool water

4. Pour the appropriate amount into the pool around the edges with the pool circulation system operating

5. Circulate pool water for 1 hour, then clean filter and pool walls at the water line.

Note:  In areas with severe freezing, drain pool equipment and plumbing lines or use an antifreeze recommended for swimming pool plumbing and equipment. Always follow the cleaning directions established by the manufacturer and/or pool builder. Pools with mesh covers or without covers may need to apply BioGuard Shock or Oxidizer per label directions midwinter or just prior to freezing.