How Do You Use Regal algaecide 60?
How Do You Use Regal algaecide 60? For treatment of a freshly cleaned and filled spa, whirlpool, or hot tub, add 0.6-1.1 fluid ounces of this product per 1,000 gallons of water. Subsequent additions of 0.2-0.4 fluid ounces of this product per 1,000 gallons of water should be made every 5-7 days after initial treatment for maintenance.