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Dan from Parkville, Md writes

Can Prime Source Duo Stick Select be mixed with Trimec 992

I was planning to combine quinclorac and trimec together. Quinclorac recommends this surfactant, but the Trimec label to my understanding suggests not using a surfactant. I am thinking if I combine the two herbicides I should not use the surfactant.


No, Prime Source Duo Stick Select should not be added to Trimec as it already has a small amount of surfactant in it.

Answer last updated on: 01/06/2020

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