ProVap Test with a Transparent Hive

Описание к видео ProVap Test with a Transparent Hive

This is for some Bellingham area friends to whom I said I wanted to see how the Provap oxalic acid vaporizer worked inside a hive. To do so, I made a hive with only three sides, and Saran wrap on the other, so what happened inside with the vapor could be seen. Nothing amazing- but it at least showed me that in fact, it really did go everywhere, and stayed there for quite a long time. A very good tool for mites!

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