Doheny's Concentrated Pool Algaecide 60 1-Quart Plus 8 Bonus Ounces Bottle
Doheny's Concentrated Algaecide 60 can be used once a week to prevent algae growth. High doses even kill existing algae! You get 8 ounces free with your 1-quart bottle for 40 total ounces. Doheny's Concentrated Algaecide 60 won't stain surfaces because it contains no metals, and it is non-foaming. POOL DOSAGE: INITIAL DOSAGE - 11-17 oz per 10,000 gallons (some visible algae), or 6-11 oz per 10,000 gallons (no algae). MAINTENANCE - 2-4 oz per 10,000 gallons every 5-7 days. WINTERIZING - 6-10 oz per 10,000 gallons (no algae), or 12-17 oz per 10,000 gallons (some visible algae).