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Thomas writes,

How many ounces of Permethrin SFR do I need to use in a gallon of water to get a .5% emulsion?

I am treating for fleas using a hand pump sprayer.


You will need to use 1 2/3 fl. oz of Permethrin SFR per gallon of water to get a .5% emulsion.

Answer last updated on: 06/22/2010

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