Bioguard Winter Arctic Blue Shock:
- Broadcast the entire dosage into the deep end of the pool.
- Brush any undissolved product off the surface of the pool with a compatible brush.
- Continue to circulate the pool for a minimum of 30 minutes before proceeding to the next step in the winterization process
BioGuard Arctic Blue Winter Algaecide:
Add the appropriate amount of winter shock according to label directions of the product. Allow to circulate 2-4 hours. Then pour Arctic Blue Algae Protector into the pool around the edges with the pool circulation system operation. Circulate pool water for 1 hour. Then, clean filter and pool walls at water line.
In areas with severe freezing, drain pool equipment and plumbing lines or use an antifreeze recommended for swimming pool plumbing and equipment.