Applications:

Visible Algae Growth:

• Apply 12 ounces of this product per 10,000 gallons of pool water. Settled algae debris may be removed by vacuuming.

Heavy Algae Growth:

• First vacuum, clean, and scrub walls. Apply 12 ounces of Black Algaetrine algaecide per 10,000 gallons of pool water. Vacuum to remove algae debris.

Maintenance Dose:

• (Free of visible algae) Apply 6 ounces of Black Algaetrine algaecide per 10,000 gallons of pool water every 5 to 7 days. NOTE: If high temperatures prevail or pool has unusually heavy use, add maintenance dose more frequently.

Advantage:

• Combination of algaecides specially formulated for black algae. Contains 3.07% active copper.