Thanks all! Either way, I'll need to get buy a new one as the ones I have I've already used with homemade bug sprays and what have you and I don't want to take any chances.
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I buy the cheap sprayer bottles at the dollar store.Thanks all! Either way, I'll need to get buy a new one as the ones I have I've already used with homemade bug sprays and what have you and I don't want to take any chances.

Welcome to BYC, and thanks for the detailed post!Hi All,
First post on BYC, too bad it is about mites
We had been keeping chickens for about five years before the first sign of mites. I suspect they were due to a new set of birds from up the valley, but I've got no proof.
The infestation was really bad, walking through the coop would be enough to have them jump on me, requiring a shower. Had no idea about mites at the time.
I did some research and settled on the nuclear option, a Raid fogger. This contains pyrethrins, which are derived from chrysanthemum flowers, and Piperonyl butoxide, which increases effectiveness:
https://www3.epa.gov/pesticides/chem_search/ppls/004822-00220-20131121.pdf
I emptied out the coop and wrapped it in a large tarp to keep the fog from exiting out the cracks. The result was a remarkable scene of death, which was satisfying since, mites, you know?
I am definitely on the organic side, but when something is eating on our chickens, I take the practical road.
Lessons learned from this experience and another just in the past few days are:
1) Avoid fixed furniture in the coop. Everything should be movable. This enables you to more easily track down the cracks and crevices which the mites like.
2) Be proactive. I have a can of Terro spider killer, which contains pyrethrins and deltamethrin. I will use this to spot-treat the crevices in my roosts.
There are many synthetic variations on pyrethrins, most of which extend the half-life, since pyrethrins break down rapidly in sunlight. Many Raid products use imiprothrin as a prime ingredient. The EPA has this on imiprothrin:
https://www3.epa.gov/pesticides/chem_search/reg_actions/registration/fs_PC-004006_01-Mar-98.pdf
Note that these chemicals are extremely toxic to aquatic life, so no flushing down the storm drain. Also toxic to most insect life, so take care to not use in your garden or the bees will die. Lethal concentrations for mammals and avians are fairly high, so these chemicals are relatively safe. Still, exercise caution and avoid exposure to your birds and yourself.
Information on other synthetics from our own Beavers up the road:
http://npic.orst.edu/factsheets/cypermethrin.pdf
http://npic.orst.edu/factsheets/DeltaGen.html
A final note, cats are particularly sensitive to pyrethrins, that is why you should never use a dog anti-flea treatment (Frontline, for example) on a cat.



Hi, welcome to BYC!Hi All,
First post on BYC, too bad it is about mites
We had been keeping chickens for about five years before the first sign of mites. I suspect they were due to a new set of birds from up the valley, but I've got no proof.
The infestation was really bad, walking through the coop would be enough to have them jump on me, requiring a shower. Had no idea about mites at the time.
I did some research and settled on the nuclear option, a Raid fogger. This contains pyrethrins, which are derived from chrysanthemum flowers, and Piperonyl butoxide, which increases effectiveness:
https://www3.epa.gov/pesticides/chem_search/ppls/004822-00220-20131121.pdf
I emptied out the coop and wrapped it in a large tarp to keep the fog from exiting out the cracks. The result was a remarkable scene of death, which was satisfying since, mites, you know?
I am definitely on the organic side, but when something is eating on our chickens, I take the practical road.
Lessons learned from this experience and another just in the past few days are:
1) Avoid fixed furniture in the coop. Everything should be movable. This enables you to more easily track down the cracks and crevices which the mites like.
2) Be proactive. I have a can of Terro spider killer, which contains pyrethrins and deltamethrin. I will use this to spot-treat the crevices in my roosts.
There are many synthetic variations on pyrethrins, most of which extend the half-life, since pyrethrins break down rapidly in sunlight. Many Raid products use imiprothrin as a prime ingredient. The EPA has this on imiprothrin:
https://www3.epa.gov/pesticides/chem_search/reg_actions/registration/fs_PC-004006_01-Mar-98.pdf
Note that these chemicals are extremely toxic to aquatic life, so no flushing down the storm drain. Also toxic to most insect life, so take care to not use in your garden or the bees will die. Lethal concentrations for mammals and avians are fairly high, so these chemicals are relatively safe. Still, exercise caution and avoid exposure to your birds and yourself.
Information on other synthetics from our own Beavers up the road:
http://npic.orst.edu/factsheets/cypermethrin.pdf
http://npic.orst.edu/factsheets/DeltaGen.html
A final note, cats are particularly sensitive to pyrethrins, that is why you should never use a dog anti-flea treatment (Frontline, for example) on a cat.




