Most homemade mite killers don't work or they involve getting the birds/coop wet, which isn't great. That will work.Would this work?
https://www.amazon.com/PBI-GORDON-9291102-oz-Permethrin/dp/B003YCFBJ6
I'm going to buy some spray but I don't have any handy at the moment is there like a homemade mite killer spray I could make or only the store bought stuff works?