Robarb Black Robacide

• Black Robacide controls the growth of problem algae in swimming pools. 
• Brush algae spots prior to application.  If necessary, brush once each day for two days following application. 
• Black Roabcide comes concentrated; therefore, dilute the proper dosage of the concentration with at least 9 parts water (i.e. 6 oz. of product to 54 oz. water). 
• Apply this diluted dosage through a plastic watering can into the water around the edge of the pool.
• Vacuum away any debris.

Visible Algae Growth

12 oz. per 10,000 gallons of pool water.

Very Dirty Pool with Heavy Algae Growth

12 oz. per 10,000 gallons of pool water.

Maintenance Dosage:

6 oz. per 10,000 gallons of pool water every 5 to 7 days.