2, 4-D Products

What is aquatic 2, 4-D used for?

2, 4-D is a selective herbicide used to treat weeds such as watermilfoil, coontail, and water lilies.

What is the active ingredient?

The active ingredient is 2, 4-D.

How do you apply 2, 4-D aquatic herbicide?

Mix liquid 2, 4-D with water in a sprayer and spray over where the weeds are; broadcast Navigate granules directly where the weeds are. 2, 4-D is best applied to larger treatment areas (greater than 1/4 acre).

Is granular or liquid better?

Both 2, 4-D products will kill the weeds listed on the labels. Each container (1 gallon liquid or 50 lbs. granules) will treat about a half acre. You may have an application method preference or take cost into consideration.

How does 2, 4-D compare to Aquathol K/ Super K?

2, 4-D and Aquathol don’t have temperature restrictions. They have different active ingredients. 2, 4-D is a selective herbicide and Aquathol K is a broad spectrum herbicide. This means that 2, 4-D kills fewer plants than Aquathol K or other broad spectrum herbicides. Target species are listed on the labels of each product.

Is 2, 4-D safe for fish and wildlife?

Both forms of 2, 4-D are EPA approved and considered generally safe for fish and wildlife. Do not use 2, 4-D treated water for livestock watering for some time after treatment (see label). Oxygen depletion can be a risk to fish; treat less than 50% of the water body with 2, 4-D if target plants are dense.

Will 2, 4-D kill water lilies?

2, 4-D will kill water lilies if applied correctly.

When should I apply 2, 4-D?

Apply 2, 4-D when weeds are actively growing. 2, 4-D is best applied when plants are fully mature as they will get more contact exposure to the herbicide.

When will I see results after applying 2, 4-D?

You will see full results in 17-21 days. You will the get the best results with 2, 4-D if treating larger treatment areas (greater than 1/4 acre).

Read all labels for complete instructions before applying products.

Weed identification

Our recommendations:

Submerged weed control

Floating weed control

How to apply

• Use the Tormada product application boat for easy application of liquid
• Dilute with water and evenly spray the surface over the plants
  • Dilute 16 oz. in 1 gallon of water

When to apply

• Apply on a sunny, calm day
• Treat when plants are actively growing and near the surface of the water
• May re-treat 30 days after first application

Other tips

• Application rates based on a 4 ft. average depth, areas with dense growth may require a higher rate to be used
• Needs 12-48 hours of contact time

View our video demonstration to see how easy it is to apply Navigate:

Liquid 2, 4-D Label

Liquid 2, 4-D SDS

Navigate Label

Navigate SDS

Aquatic herbicides water use restrictions according to label:

• Swimming: 0 days for liquid 2, 4-D, 1 day for Navigate
• Drinking water: 21 days
• Domestic uses: 21 days
• Fish consumption: 0 days
• Irrigation for food/crop: 21 days
• Irrigation for turf/ornamental: 21 days
• Livestock watering: 21 days

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