[paulmon]

This is how I spent my afternoon. It was the third of four mite treatments and of course, I made a video of it because, that's what I do

 

[ifixoldhouses]

nice video, I find dipping in the water works on mine as well, as long as I don't get the glow plug wet, or allow water inside the plug cavity. Still takes way to long on 12 hives though, I just ordered the provap 110 from
Blueskybeesupply.com Only 3 left at $449

https://www.blueskybeesupply.com/provap-110-oxalic-acid-vaporizer-pvov/

 

[paulmon]

Yes it does take too long. I have 8 hives. I think if I had more I would have cut loose with the cash and gotten a vaporizer.

 

[username00101]

Johno's Easy vap is $165 and I've read it's faster than the Provap110.

 

[crofter]

Yes it does take too long. I have 8 hives. I think if I had more I would have cut loose with the cash and gotten a vaporizer.

You do not have to cool it near that much! A few splashes till it quits sizzling but still quite quickly self drys will make it cool enough that a new dose of OA will not start to fume off. Probably around 200 F. Once you power it up the following boil off will take only half the time to complete.

 

[paulmon]

I was wondering about that. Thanks.

 

[drobbins]

I did the second of my 3 planned OAV treatments the other day
I have screen bottom boards so I blocked off the bottom with posterboard
Here's the mite fall 24 hours later, I'd say it was needed
It's high res so you can zoom in
EDIT: I added a picture already zoomed in

 

[JWPalmer]

Here is my one mite laden hive's bottom board after the second treatment. It is not high res but all the small black dots are mites.

I have done two additional treatments since then and the drops are finally starting to come down.

 

[drobbins]

I did my third treatment spaced 7 days apart yesterday
another large mite fall this morning
I guess I'll do one more in another week, the bees don't really seem to mind it much
in the past I just did one treatment at New Years when the bees are hopefully broodless
this clearly seems to be worth the trouble

 

[Wallroad]

I like your idea of using pipe insulation to stuff the opening.