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Jennifer writes

Does Hi-Yield 38-Plus Insect Control 38% Permethrin kill on contact?

Will fleas immediately die after spraying Hi-Yield in the yard or will it take a few days


Hi-Yield 38-Plus Insect Control 38% Permethrin will not kill on contact. It can take a few minutes for insects to succumb to the product.  Keep in mind that this will only kill fleas that contact the treated area.

Answer last updated on: 07/03/2019

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