• Clearigate® Algaecide and Herbicide provides highly effective control of coarse (thick cellwalled) filamentous algae, muscilaginous (colonial) planktonic algae, Chara and a variety of emergent, floating and submerged aquatic plants including: Cladophora, Pithophora, Lyngbya, Microcystis, Hydrilla, pondweeds, water milfoil, naiad and other species having a sensitivity to copper absorption in conjunction with a penetrant. 
    • Developed for professional applicators to fight the toughest algae and weed problems
    • Premium solution chelated copper formulation with an emulsified surfactant/penetrant
    • Breaks down thick cell walls of nuisance algae and aquatic weeds
    • Available in durable stainless steel returnable totes for large applications

  • Product Details

    • Available in 5, 30 and 55 gallon containers (also available in 275 gallon heavy-duty stainless steel totes)
    • Active ingredients: elemental copper in the form of mixed copper ethanolamines in an emulsified formulation

  • Application

    Dilute and spray, or apply to flowing water through drip system (contact us for expert assistance on drip applications).
    ​Proper chemical concentration contact should be maintained for a minimum of three hours. In moving waters, apply using drip system/metering and maintain contact time as determined on the product label. 
    For use in: crop and non-crop irrigation conveyance systems: ditches, canals and laterals; potable water reservoirs; lakes; farm, fish, golf course, industrial and swimming ponds.

  • Regulatory

    Treated water can be used for irrigating, animal consumption, swimming, or fishing. Do not use in waters containing Koi and hybrid goldfish. Not intended for use in small volume, garden pond systems. 
  • This product is registered with the U.S. Environmental Protection Agency (USEPA) in the following states. Registration status may be subject to change.
    For specifics on aquatic pesticide application permitting, contact your local state agency. Click here for a list of agencies.
    Alabama
    Arizona
    Arkansas
    California
    Colorado
    ​Connecticut
    Delaware
    Florida
    Georgia
    Hawaii
    Idaho
    Illinois
    Indiana
    Kansas
    Kentucky
    Louisiana
    Maine
    Maryland
    ​    Massachusetts
    Michigan
    Minnesota
    Mississippi
    Missouri
    Montana
    Nebraska
    Nevada
    New Hampshire
    New Jersey
    New Mexico
    New York
    North Carolina
    North Dakota
    Ohio
    Oklahoma
    Oregon
    Pennsylvania
    Rhode Island
    South Carolina
    South Dakota
    Tennessee
    Texas
    Utah
    Virginia
    Washington
    West Virginia
    Wisconsin
    Wyoming
    Puerto Rico (5 gal only)

    ​

Field Reference Sheet

For guidance on the application of Clearigate® Algaecide and Herbicide, particularly in flowing water situations, download the Field Reference Sheet.

Keep water moving in irrigation canals

Check out our simulated canal to field study on Sago Pondweed.

Water Care Solutions

As the lake and pond care experts for over 50 years, we are dedicated to providing complete solutions for your water.