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Lake Weed Killer

Lake Weed Killer

Looking to get rid of unsightly lake weeds, algae, and muck? Weeders Digest can help you find an environmentally safe lake weed killer and control solution for your nuisance problems. 

We carry products like Clipper to target resistant duckweed, Cutrine Plus for difficult algae, Hydrothol Granular Herbicide for both weeds and algae, and many other user friendly/nuisance specific herbicides and algaecides. 

Unsure of what types of lake weeds you have in your lake?  This article can help you identify pond and lake weeds that are common throughout the United States and Canada.  

The Weeders Digest team is happy to assist in exploring permitting options for your area, in addition to providing EPA certification information. Our staff is also prepared to answer questions regarding safety and responsible application.

  • Hydrothol 191 Granular 40 lb & 20 lbs Herbicide

    Hydrothol 191 Granular 40 lb & 20 lbs Herbicide

    $129.99 - $198.00
    Hydrothol 191 Granular is our #1 Selling Chemical for killing submersed aquatic weeds weeds. It is extremely effective against a broad spectrum of submersed weeds and it also controls problem algae at the same time!  Hydrothol 191 Treatment Rate...
    $129.99 - $198.00
  • Aquathol Super K Granular Herbicide

    Aquathol Super K Granular Herbicide

    $319.25
    Aquathol Super K granular herbicide is a highly concentrated granule form of Aquathol K liquid herbicide. Super K is 63% active ingredient and is for use in ponds and lakes. It has been shown to be effective against a broad range of aquatic plants...
    $319.25
  • Rodeo Aquatic Herbicide Glyphosate

    Rodeo Herbicide | Aquatic Glyphosate

             Rodeo is a herbicide with 53.8 % Glyphosate† N-(phosphonomethyl) glycine, isopropylamine salt active ingredient, which effectively targets emergent aquatic nuisances from Cattails, Grasses, Bulrushes, Purple...
  • Rodeo herbicide with adjuvant

    Rodeo Herbicide | Aquatic Adjuvant

            Cattail Herbicide Control INCLUDES: 2.5 Gallons of Rodeo and 1 Quart of our AB Adjuvant. ABOUT RODEO: Rodeo is a herbicide with 53.8 % Glyphosate† N-(phosphonomethyl) glycine, isopropylamine salt active ingredient,...
  • Navigate is an aquatic granular formulation of 2, 4-D. A granular aquatic herbicide, which selectively controls some of the most troublesome aquatic plants. These include water milfoil, coontail, and spatterdock. Gradual release and systemic action ensures complete kill of the entire plant.

50 lb. bag

    Navigate Granular Aquatic Herbicide

    $239.99
            Navigate is an aquatic granular formulation of 2, 4-D. A granular aquatic herbicide, which selectively controls some of the most troublesome aquatic plants. These include water milfoil, coontail, and spatterdock. Gradual...
    $239.99
  • GreenClean Pro Granular Algaecide, 50 lbs

    Green Clean Pro Granular Algaecide, 50 lbs

    $124.99
    GreenCleanPRO Granular Algaecide is a fast-acting irrigation water treatment tool that is an integral part in proper irrigation system maintenance. Utilizing BioSafe System’s patented activated peroxygen chemistry, GreenCleanPRO treats a broad...
    $124.99
  • Cutrine Ultra Liquid Algaecide

    Cutrine Ultra Liquid Algaecide

            ABOUT CUTRINE ULTRA: Applied Biochemists has improved standard 9% double chelated Cutrine-Plus through the addition of an emulsified surfactant. Cutrine Ultra is a liquid algaecide that is works best with resistant strains of...
  • Cutrine Plus Algeacide with Aquatic Adjuvant Cutrine Plus Algeacide with Aquatic Adjuvant

    Cutrine Plus Algeacide with Aquatic Adjuvant

    $62.95 - $125.90
    INCLUDES: 1 gal. or 2.5 gal. of Cutrine Plus and 1 Quart Turbulence Adjuvant | Vegetable Oil and Surfactant Blend TOGETHER THEY KILL ALGAE FASTER: Using these two products in conjunction with each other will increase the algaecides effectiveness CUTRINE...
    $62.95 - $125.90
  • Cutrine Plus Granular Algaecide

    Cutrine Plus Granular Algaecide

    $59.99 - $104.00
    Cutrine Plus Granular chelated copper algaecide controls algae before it reaches the surface. Ideally suited for bottom growing algae and spot treatments along docks, beaches, boats, launches and fishing areas. Do not use in waters containing koi, hybrid...
    $59.99 - $104.00
  • Cutrine Plus Algeacide algicide

    Cutrine Plus Liquid Algaecide

    $38.99 - $89.00
    CUTRINE PLUS Treats surface and sub-surface algae and is registered for use in:Potable Water Reservoirs, Farm, Fish and Industrial Ponds, Lakes Fish Hatcheries and Raceways, Irrigation Conveyance Systems, Ditches, Canals, Laterals Golf Course Water...
    $38.99 - $89.00
  • Clipper herbicide - Buy 5lb container of clipper lowest prices online

    Clipper Herbicide | Aquatic Weed Control

    $550.00
            Clipper Herbicide is a specially formulated herbicide that’s designed to help control invasive and nuisance aquatic weeds such as water lettuce, duckweed, cabomba, watermeal, giant salvinia, Eurasian watermilfoil, and...
    $550.00
  • Aquathol K Liquid Herbicide

    Aquathol K Liquid Herbicide

    $105.95
    Aquathol K Liquid Herbicide is effective against a broad range of aquatic plants with a wide margin of safety to fish and other aquatic life. Aquathol K may be used in quiescent or slow moving waters and flowing water systems. Do not apply before weeds...
    $105.95
  • Algaecide All natural beneficial bacteria liquid muck digester pellets package for pond lake algae and muck removal

    Black Pack Plus | Pond Algae & Water Treatment Kit

    $209.95
    Algae & Muck Control Water Clarifier Lake & Pond Care Package The BLACK PACK PLUS Package is designed to target small to large scale algae problems, clearing up the entire water column and removing the nuisance by speeding up the breakdown...
    $209.95