• AB™ Brand Copper Sulfate Crystals are concentrated dissolvents which control planktonic and surface filamentous algae and is also labeled for root control in sewer lines. 
    •  Fast-acting algaecide
    • High-grade crystals
    • Dissolves quickly in water
    • NSF/ANSI Standard 60
    • OMRI certified for organic use

  • Product Details

    • Available in 5 pound (6 units in a case) and 15 pound (3 units in a case) containers
    • Active ingredient: copper sulfate pentahydrate
    • US EPA Registration No. 56576-1-8959

  • Application

    Before application, dissolve the fine crystals in water. Then, spray or broadcast the solution evenly using a small pump spreader. (Spray solution from a boat for the greatest effect). 
    For use in: impounded waters, lakes, ponds, irrigation systems and reservoirs; also in sewers and septic tanks​

  • Regulatory

    Only use in areas in which infection is present. Do not use in bodies of water where fish and/or aquatic invertebrates reside. The pesticide is toxic to these inhabitants and may indirectly contaminate water through runoff.
  • 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
    Delaware
    Florida
    Georgia
    Idaho
    Illinois
    Indiana
    Iowa
    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
    Vermont
    Virginia
    Washington
    West Virginia
    Wisconsin
    Wyoming
    ​

Water Care Solutions

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