APPLIED BIOCHEMISTS Cutrine-Plus Granular Algaecide – EPA-Approved Copper Formula, 12 lb, Spot Treatment for Chara & Algae

APPLIED BIOCHEMISTS Cutrine-Plus Granular Algaecide is a copper-based solution crafted for lakes, ponds, and irrigation systems. This 12 lb package delivers a EPA-approved formula designed for spot treatments, targeting Chara and a broad spectrum of algae before they can become dominant.

Designed for practical, real-world use, this product addresses a variety of growth forms. It shows effectiveness against chmaking algae such as cyanobacteria (blue-green algae), green algae, blue algae, diatoms, filamentous green algae, and Nitella. The granules are easy to apply directly to the algae beds, placing the treatment right where it needs to work, which can help you see visible changes within a day or two when applied as directed.

Broad algae coverage you can rely on

• Targets Chara and a wide range of algae, including cyanobacteria, green algae, blue algae, diatoms, filamentous green algae, and Nitella.
• Simple, scalable approach suitable for large ponds or targeted spot treatments.

Fast-acting performance

Under proper application, you may notice a reduction in algae growth within 1–2 days, supporting a quicker path to clearer water and healthier edge zones.

Safe and practical use

• No restrictions on fishing, drinking, swimming, or irrigation when used as directed.
• Safe for wildlife and livestock; EPA-approved product with a caveat to avoid waterbodies containing copper-sensitive fish such as carp, koi, or trout.

Easy application and versatility

The granular format is straightforward: simply sprinkle the product onto the algae growth. It works well for both large-scale lake or pond management and smaller, spot-treatment scenarios.

Important regulatory note

Due to state regulations, shipments are not permitted to AK, CT, HI, ME, NJ, NY, VT, WA, and Canada. Orders from these regions will be cancelled to comply with local requirements.