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Fatlip from Redding Ca. writes

Can Permethrin can be used on marijuana for spider mites?

Answer:

Hi-Yield Indoor/Outdoor 10% Permethrin Insecticide is not labeled to be applied to Marijuana for Spider mites. We can only recommend Horticultural oils like Ultra Pure Horticultural Oil. 

Answer last updated on: 08/28/2015

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