Water clarifier designed especially for pools & spas using Pristine Blue. Collects all of those fine non filterable particles so that your swimming pool's filter can more easily remove them from the water. Use with any filter system: Sand, DE or Cartridge.
2 oz per 10,000 gallons of water every 2 weeks.
For Hot Tubs:
1 milliliter per 100 gallons of water every 2 weeks.