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Make sure you spray weekly for 3 or 4 weeks because permethrin does not kill the pests eggs so weekly repeated treatments are necessary as they hatch out. Just keep the birds out until the spray dries after spraying. Good luck...

Personally I use the 0.5% solution for best results.

:welcome :frow If I were you I would buy the premixed.

I use a backpack sprayer but I have a lot of coops and when I treat one coop I treat them all. Before I got the backpack sprayer, I used a gallon sprayer with a wand. That way I could reach the hard to reach areas with the wand.

https://www.backyardchickens.com/threads/permethrin-dilution.1448295/post-24089092

I buy the concentrate and mix it with water at the 0.5% ratio. I don't think brands matter so much as the strength of the concentrate.

You are correct on the spray. It is usually (0.5%).

Forgive this old lady. I meant poultry dust is usually (0.25%). I tried to get a picture but it was kind of blurry.

If you buy the premixed spray it is usually the (0.25%).

I have used them all and it depends on how heavy of infestation you have. This is for Permethrin 10.

:thumbsup THANKS!!! I'm bookmarking it.