Cutrine Plus Granular Algaecide - our Best Selling String Algae Treatment

Cutrine Plus Granular is designed to control bottom growing string algae / filamentous algae, and chara. Cutrine is simple to use. The granular chelated copper product sinks to the bottom of the pond quickly. 

EPA-approved for use in lakes and potable water reservoirs, farm fish ponds and fish hatcheries.

This copper-sulfate alternative provides longer-lasting algae control than copper sulfate with less impact to other, beneficial aquatic life.

How to use Cutrine Plus Algaecide:

Simply broadcast the recommended dosage across algae affected areas of the pond. For BEST results treat early on a clear sunny day. For best algae control the pond should be treated every 5 to 6 weeks.  In cases of recurring algae blooms, Cutrine may be use as a preventative treatment to get ahead of algae blooms.  

Application Rate for Cutrine Granular:

For spot treatment apply 1.5 lb per 1000 sq ft

For large treatment areas treat 40 lb per surface acre

How often should Cutrine Algaecide be applied?

On average, Cutrine manages algae for 5 to 6 weeks. Regular treatments provide the best algae management.

Learn More About Algae Control

Will this kill my pond scum? 

A number of vegetation types fall into the category of pond scum. Not all surface films are algae. Here is a helpful source to determine what your "scum" is- Green Pond Scum

Water Restrictions: NONE

Shipping Restrictions: Cannot ship to AK, CA, CT, DE, HI, MA, ME, NJ, NY, PR, RI, VT, WA.

Other Restrictions: Do not use in ponds with Koi, Goldfish, or Trout unless carbonate hardness levels are above 50ppm.  Carbonate hardness may be adjusted by adding liquid pond lime or agricultural lime.  

Do NOT use in garden ponds.

Cutrine Plus Granular Label and Instructions

Cutrine Plus Algaecide SDS

As with all of our products, we offer free technical support.

If you have questions about this product, e-mail us at [email protected] and we will get right back to you.