ProVap 220 Oxalic Acid Vaporizer - New Zealand Beeswax

This vaporizer is most easily used from the back of the hive, where a small (¼") hole is drilled in the back center of the ¾" rim of the bottom board that supports the bottom brood box. This hole is needed to accommodate the vaporizer stem. You want the vapors to rise up through the frames throughout &hellip