Re: diy oxalic acid vaporizer
"Drill and screw the aluminum piece to a 3.5" x 6" sheet metal (bend it up on the end to affix the handle). Put a spst switch in line with the 12v + lead. (fuse it if you want to be safe)."
No, it is hard to picture it. I got lost on bend it up to affix the handle. So how long is the handle? Or the handle attach to what? The aluminum bar?
And what is a spst switch? Where do I get this switch from? How do you fuse it up to what?
I might as well go with putting 3 drops of OA onto a piece of small printer paper strip to burn it underneath the hive on top of a removable bottom aluminum cloak board.
Burn a strip a day to keep the mites away.
Don't mix foreign bees into a virgin hive. She might get balled 100% of the time! When will you ever learn, huh?