@Robo I assume you are treating the sleeping bag to prevent bed bugs. I would suggest just spraying the outside of your sleeping bag. The soak method is great for thinner items like clothing, but permethrin needs to dry for it to be safe for human contact. You may not want that much chemical in something you are going to sleep in. I have sprayed the outside of my sleeping bags for years before wilderness trips to prevent ticks, and mosquitoes. Other than the hair loss ... I have not noticed any symptoms of exposure
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I do not want to spark a debate on the use of permethrin to prevent bed bugs, BUT it is NOT supposed to be effective to prevent bed bugs. There are bed bugs on the Camino, and I met more afflicted pilgrims than I anticipated. Some of these afflicted had treated their kit with permethrin. I do not know how to prevent them, but here is what I did. Maybe I just got lucky, but I will take luck any day.
1) I did not treat my kit with permethrin.
2) Bed bugs are on the move to Santiago just like us, and hitching rides on the backs of other peregrinos.
3) I inspected the bed before putting anything on it. Look in the seams. Bail if you are not comfortable.
4) I did not use the blankets ... how often are they washed and dried? There were a couple of albergues that had nice looking bedspreads. Some of my fellow peregrinos got underneath, and got bed bugs. The facility was immaculate.
5) I think the buggers want you, and not your kit. Hang your backpack off the ground ... a loop of cord and a small carabiner work great.
6) I used a bed bug sheet. I read a post from
@Kanga, and decided to give it a try. I was going to ship it, or donate it until I started meeting some of the afflicted. One of my Camino buddies used one. He said he saw bed bugs under the bug sheet one night when nature called, but he did not get any bed bug bites. Maybe he was lucky ... maybe they did not like the taste of him?
Buena Suerte Amigo