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John from Dayton, Oh writes,

I just purchased your Criterion 75 WSP

... and wanted to confirm what I read below. I can use 1.4 level teaspoons per inch of tree diameter and mix that with 1 pint to 1 gallon of water per inch. If understood correctly I really don't have to mix the entire 1.6 oz pouch at once. Is the powder homogeneous enough for me to mix like this (versus the whole pouch). Thanks


There is no way to accuratly mix down each Criterion 75 WSP Systemic Insecticide pack. You would need to use the whole pouch. You should apply 1 pouch or 1.6 oz of criterion for every 24 to 48 inches of trunk diameter.  You should apply the pouch in at least 10 gallons of water to apply the drench.  It really does not matter how much water you use, it just matters how much product you are applying over the area.  The more water you apply it with the deeper the ground will soak it up.  

Answer last updated on: 06/04/2015

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