I dust our hives with powdered sugar. Its fast, it's easy, it's a way to see your mite load and knock down mites at the same time. After I dust each hive, I wait 20 minutes and dump the tray into a pail of water, take a picture, put it on the computer and count mites. The rest are left to fall down through the screen onto the ground where ants take them away.
I was wondering how the mite count compares to a Powdered Sugar Shake. Last August, 2016 I found I had no mites. But neighbor beekeepers and friends, Dawn and Stu were waiting for the temperature to come down to use one of those Thymol products. I asked if I could do my comparisons on their hives and they said yes. Here's the film.
Our first film on using powdered sugar. Complete with sound.
EAS 2017 Powerpoint Below