We recommend contacting the manufacturer directly for clarification on whether your pond water is safe to drink after treating with Diquat Water Weed and Landscape Herbicide. You can reach Agrisel by calling 1-877-AGRISEL, or via their website's contact page here.
No, Diquat Water Weed and Landscape Herbicide does not travel systemically through the soil and can be used as an edging or pruning tool in driveways, Per the product label, Diquat Water and Weed must be applied only to the select, narrow-banded areas and will only control vegetation growing within the width of the spray application.
You will want to spray the weeds to completely wet but not to runoff. Do not apply when heavy rainfall is expected within 24-48 hours to prevent any drainage or runoof into the lawn. Densely packed weeds or mats may require additional applications due to incomplete spray coverage.
Review the product label for more information and complete application instructions before use.
According to the product label, you should wait 24 hours after applying Diquat Water Weed and Landscape Herbicide for any swimming or fishing in theses treated areas. It is recommended that you treat your pond in sections as to not deplete the oxygen in the water.
The amount of product will depend on the depth of your pond. If your pond is 1 foot deep, you will use 0.25 gallons. If your pond is 2 feet deep, you will use 0.5 gallons. If the pond is 3 feet deep, you will use 0.75 gallons. For a 4 foot deep pond, you will use 1 gallon of products. This is per acre.
Diquat Water Weed and Landscape Herbicide should be applied at a rate of 1 to 2 gallons per surface area of water. For a 1 acre lake or pond - spray 1 to 2 gallons of Diquat into the lake. If using a hand sprayer, for example, 2 gallon sprayer, put 1 gallon of water and 1 gallon of Diquat into the sprayer and spray the contents over an acre of the area.
Per the product label, it should be applied in the spring or early summer when the weeds are actively growing and when water temperatures have reached or exceeded 50 degrees.
Diquat Water Weed and Landscape Herbicide would be a great choice for treating specific weeds listed on the label. If you would like to stop weeds from growing in bareground areas you can apply a soil sterilant such as TVC Total Vegetation Control. This product stay in the ground for up to one year, so you would only want to use it in areas where you don’t have or want any desirable plants for at least this long.
Diquat Water Weed and Landscape Herbicide is not meant for use on grazing pastures, and states several times on the product label not to apply to areas that are grazed on or used to feed livestock. You may wish contact the manufacture directly for clarification at 1-877-AGRISEL, or via their website's contact page here.
Diquat Water Weed and Landscape Herbicide should be applied when temperatures are between 65 degrees and 85 degrees. Per the product label, densely packed weeds or algea mats may require additional applications due to incomplete spray coverage. Re-treat as needed.
If you are applying Diquat Water Weed and Landscape Herbicide to floating weeds such as duckweed, then you want to spray the weeds from above from the shore or from a boat. If you are treating submerged weeds, then you could potentially pour the herbicide into the water, however whether this will be effective may depend on the specific target weeds. Be sure that you follow local regulations regarding the use of aquatic herbicides in areas that connect to public waters and check the full product label regarding your target weeds.
Diquat Water Weed and Landscape Herbicide is not labeled for poison ivy. This product would not be used in home lawns as it will also kill your grass as will RoundUp. To selectively kill poison ivy without harm to your lawn you would use something like Monterey Weed Wacker.
Diquat Water Weed and Landscape Herbicide is labeled to control watermilfoils.
Diquat Water Weed and Landscape Herbicide should not harm bees when used as directed. Try to time applications to when bees are not in the area.
The best time to apply Diquat Water Weed and Landscape Herbicide is when target weeds are actively growing and temperatures are between 65-85 degrees.
Diquat Water Weed and Landscape Herbicide is not labeled for smartweed. Rodeo would be a better option.
Diquat Water Weed and Landscape Herbicide is a great option for duckweed in ponds as directed on the product label. For duckweed control, apply Diquat Water Weed and Landscape Herbicide at 1-2 gallons per acre plus 32 oz per acre of surfactant in at least 100 gallons of water. Treatment of dense weed areas may result in oxygen loss from decomposition of dead weeds. This loss of oxygen may cause fish suffocation. Therefore, treat only 1/3 to ½ of the water body area at one time and wait at least 14 days until the next application.
