Black Algaetrine is what we would recommend:
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.
Ask the Pool Guy Changed status to publish June 20, 2018