Note: All dosages are for 10,000 gallons of water.
Immediate treatment:
To remove visible yellow or mustard algae: Brush walls and floor areas affected by yellow algae accumulations. Apply 4 oz of this product as close to the affected areas as possible. For severe accumulations, double the above dosage. After algae treatment is applied, the pool should be shocked and oxidize contaminants and inorganic by-products of the pool sanitation process. An appropriate shock must be used following the directions on the product's label. Swimming may resume several hours after the treatment.
Weekly Maintenance treatment:
To prevent accumulation of yellow algae: With water temperature over 80°F, add 4 oz of this product followed by 1 gallon of liquid chlorine or 1 pound of dry chlorine once a week. With a water temperature under 80°F, add 2 oz of this product weekly followed by 1/2 gallon of liquid chlorine or 1/2 pound of dry chlorine.