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Aquatic Herbicides

Aquatic Herbicides for Lakes and Ponds


Aquatic herbicides are used to reduce the abundance of invasive species to reduce spread to new water bodies, to help maintain a healthy native plant community that is beneficial for fish and other aquatic organisms, to improve navigational access to lakes and rivers and make boat navigation safer, and to control nuisance plant and algae growth that can pose a hazard to swimmers.


The amount of time an herbicide will stay in the water varies greatly based on a number of different factors, including the type of herbicide used. Residues may only be present in the water for a few hours, or for as long as a few months. Each herbicide has different characteristics that affect where the chemical moves (e.g. if it stays in the water column or settles into the sediment), how it is broken down, and how long it can be detected in water, sediments, and aquatic organisms. For more information on the environmental fate of a particular herbicide, please see the following:


Forestry Distributing Knowledge Base Biology and Control of Aquatic Plants

Biology and Control of Aquatic Plants 
EPA Signal Word Definitions


Wisconsin Department of Natural Resources individual chemical fact sheets:

2,4-D Chemical Fact Sheet
Bispyribac Sodium Chemical Fact Sheet
Copper Compounds Chemical Fact Sheet
Diquat Chemical Fact Sheet
Endothall Chemical Fact Sheet
Flumioxazin Chemical Fact Sheet

Fluridone Chemical Fact Sheet
Glyphosate Chemical Fact Sheet
Imazamox Chemical Fact Sheet
Imazapyr Chemical Fact Sheet
Penoxsulam Chemical Fact Sheet
Triclopyr Chemical Fact Sheet


Note: Products may not be registered for use in your state or locale. Check to be sure a specific use pattern is approved in your area before use. Check product labeling or your local state agency for more information. Most current product labels are available by visiting the product manufacturers website or at https://www.cdms.net

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Admiral Blue Aquatic Algae and Weed Control, BASF

Admiral Aquatic Algae and Weed Control enhances the appearance of water features with a blue colorant, while also controlling the growth of several types of aquatic weeds and algae.

Active Ingredient: Acid Blue 9 (15.31%), Acid Yellow 23 (1.00%)
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Gal., 275 Gal. Tote
From $44.95

Aquashade Aquatic Plant Growth Control, Applied Biochemists

Aquashade Aquatic Plant Growth Control is a blend of blue and yellow dyes which shades specific portions of the sunlight spectrum (red-orange and blue-violet) required by underwater aquatic plant and algae growth.

Active Ingredient: Acid Blue 9 (12.6%), Acid Yellow 23 (1.04%)
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Gal. Bottle
From $48.95

Clearcast 2.7G Aquatic Herbicide, SePRO

Clearcast 2.7G Granular Aquatic Herbicide is a unique aquatic herbicide that controls both submersed and emergent weeds in and around ponds, lakes, reservoirs, wetlands, ditches, canals, and other aquatic sites.

Active Ingredient: Ammonium Salt of Imazamox 2.7%

EPA Signal Word - CAUTION / PRECAUCION

Clearcast Aquatic Herbicide, SePRO

Clearcast Aquatic Herbicide is a unique aquatic herbicide that controls both submersed and emergent weeds in and around ponds, lakes, reservoirs, wetlands, ditches, canals, and other aquatic sites.

Active Ingredients: Ammonium Salt of Imazamox 12.1%
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Gal.
From $350.95

Galleon SC Aquatic Herbicide, SePRO

Galleon SC Aquatic Herbicide is a new systemic herbicide for large-scale aquatic plant management. Galleon SC Aquatic Herbicide represents an exciting new technology for management of a variety of submersed, floating, and emergent invasive and nuisance aquatic plants.

Active Ingredients: Penosxulam 21.7%
Herbicide Mode of Action: Group 2
EPA Signal Word: CAUTION / PRECAUCION
EPA Registration Number: 67690-47
Aquatic Use: Yes (see label)
Application Rate Range: (see label)
Container Size(s): 1 Qt., 2.5 Gal.
From $695.95

Stingray Aquatic Herbicide, SePRO

Stingray Aquatic Herbicide is a liquid formulation which is emulsifiable in water. It is designed to be mixed with water and applied to aquatic areas for control of floating and emerged weeds such as, water hyacinth, water lettuce, and giant salvinia.

Active Ingredients: Carfentrazone-ethyl 21.3%
Herbicide Mode of Action: Group 14
EPA Signal Word: CAUTION / PRECAUCION
EPA Registration Number: 279-3279-67690
Aquatic Use: Yes (see label)
Application Rate Range: (see label)
Container Size(s): 1 Qt., 2.5 Gal.
From $187.95

Tradewind Aquatic Herbicide, Valent

Tradewind Aquatic Herbicide provides selective management of Hydrilla and other aquatic plants. Target hydrilla, not desirable plants. Plus, Tradewind delivers long-lasting residual activity for both submersed and floating aquatic plants.

Active Ingredients: Bispyribac-sodium 80%
Herbicide Mode of Action: Group 2
EPA Signal Word: CAUTION / PRECAUCION
EPA Registration Number: 59639-165
Aquatic Use: Yes (see label)
Application Rate Range: (see label)
Container Size(s): 2 Lbs.
From $1,199.95

Vanquish Herbicide, Nufarm

Vanquish Herbicide is a liquid post-emergent herbicide that offers effective management of troublesome weeds, brush and vines in a variety of VM settings. It controls more than 200 broadleaf weeds, brush and vine species. It’s also an ideal tank-mix partner for even more comprehensive control.

Active Ingredient: Dicamba - 56.8%

EPA Signal Word - CAUTION / PRECAUCION



DiscontinuedThis product has been discontinued.

Argos Aquatic Algaecide and Herbicide (Captain, Cutrine Plus), Alligare

Argos Aquatic Algaecide and Herbicide is a liquid copper-based formulation containing ethanolamine chelating agents to prevent the precipitation of copper with carbonates and bicarbonates in the water. Argos effectively controls a broad range of algae. Argos has also been proven effective in controlling the rooted aquatic plant, Hydrilla verticillata.

Active Ingredient: Copper Ethanolamine Complex 27.9%
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range:
(see label)
Container Size(s): 1 Gal., 2.5 Gal., 30 Gal., 270 Gal.
From $28.95

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