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Q&A Home

Beverly from Neshanic, New Jersey writes,

What is the recommended rate per 1 gallon for Trimec Classic?

I am in New Jersey and want to spot spray clover, dandelions, etc on perennial rye, bluegrass, fescue blend. Will use a hand-held 2 gallon spray tank. I have used Trimec Plus in the past, but I don't see that available anymore. Can you recommend rate of Trimec Classic for 1 gallon?


When treating with Trimec Classic the amount of water can vary between 0.5 to 6 gallons per 1000 sq. ft. Using between 0.75 to 1.5 of Trimec Classic per 1000 sq. ft. is the most important measurement to worry about. The steps below will allow you to estimate the amount of product and water needed for the area that you want to treat.

Steps in Calibration:

1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet, or 25 by 40 feet).

2. Place the sprayer on a level surface and add water noting the final level of water in the

spray tank.

3. Spray the marked area with a sufficient volume of water to provide uniform coverage.

Refill the sprayer to the same level as before measuring the amount of water added. The

measured water added to the sprayer is the volume needed to cover 1,000 square feet.

4. Determine the application rate (fl oz/1000 sq ft) for the product from the “Approved Uses” section of this label.

5. To each volume of water used, as measured in step 3, add the amount of product

determined in step 4.


If the sprayer used 2 gallons of water to cover 1,000 square feet and the desired

application rate of product is 3 fluid oz/1,000 square feet, then you would add 3 fluid

ounces to every 2 gallons of water to be used.

Answer last updated on: 07/20/2015

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