API Pond Algaefix Copper Free Pond Algae Control, 8 oz

API Pond Algaefix helps clear up algae problems and slows the return of new growth in ponds, koi ponds and fountains. It is an EPA-registered, copper free formula that is safe for fish and plants when used as directed.

• Size: 8 oz, treats up to 2,400 gallons
• Controls green water, string and hair algae, and blanket weed
• Copper free and does not disrupt beneficial bacteria
• Dose after mixing evenly into well aerated water
• Repeat every 3 days until algae is controlled, then weekly

Make sure the pond or fountain has vigorous aeration before you dose. Follow the label directions and dosage for your pond size.