Cutrine Plus 1 Gallon | Algae and Weed Control

Say Goodbye to Algae with Cutrine Plus Cutrine Plus is a 9% chelated copper algaecide ideal for controlling algae in lakes, reservoirs, farm ponds, fish hatcheries, irrigation systems, and more. It’s far less corrosive and more chemically stable than similar products, and effective even in hard water. Cutrine Plus works on contact, breaking down algae cells and disrupting photosynthesis. It controls planktonic algae in 24–48 hours and filamentous algae in 3–4 days. Apply early in the season when water reaches 60°F or above for best results and reduced dead growth. Suitable for treating surface algae and algae up to 3 feet deep. Application rate: 0.6–1.2 gallons per acre-foot of water. No water use restrictions. Do not use in water containing Koi or hybrid goldfish. Not available in: CA, CT, ME, MI, NJ, NY, OR, WA. Cannot be shipped to Canada. Cutrine Plus: Keep Pond Water Clean and Clear! Control typically lasts several weeks to several months, depending on l