API Pond Algaefix Copper Free Pond Algae Control, 16 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: 16 oz, treats up to 4,800 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.