The NoVarroa is an entrance-style oxalic acid vaporizer for beekeepers treating Varroa mites. A metal pan holds the crystals, a long wand slides in through the bottom entrance, and a wooden handle keeps your hand away from the heat. It runs off any 12-volt battery through heavy-gauge cables, and a removable sealer helps keep vapor in the hive. It suits beekeepers who want to treat without opening the box and disturbing the colony, and it competes with pan-style and wand vaporizers on the same principle: no hive teardown, one battery, a few minutes per colony. Owners rate it well, though some note the pan and cables need care and the work is still hands-on.
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Owners rate the NoVarroa highly, with 4.5 out of 5 from 43 ratings. They like treating through the entrance without opening the hive and the simple 12-volt setup. Some mention heat handling and the need to seal the hive properly.
The NoVarroa oxalic acid vaporizer treats Varroa mites from the hive entrance. The wand slides in through the bottom entrance, so the hive stays closed and the bees are not disturbed.
A metal sublimation pan holds the oxalic acid crystals and heats them to vapor. A wooden handle keeps your hand off the hot pan. A removable entrance sealer helps hold the vapor inside the hive. Heavy-gauge cables connect to any 12-volt battery.
To treat, restrict the colony's entrances and seal upper cracks. Slide the loaded pan in through the bottom entrance and apply power until the crystals have fully sublimated, usually in under five minutes. Follow the rates, timing and protective-equipment directions on your oxalic acid product's label.
