Varroa check with CO2 Dispenser veteran owned It adds clustering and ventilation

It adds clustering and ventilation space under the brood nest

What's the difference between this and the no-lid version

but the jar holds anything liquid or semi-solid — syrup

Pair it with an uncapping knife (smooth or serrated)

For the strongest hold

Varroa check with CO2 Dispenser veteran owned It adds clustering and ventilationThe CO2 varroa mite tester the Varroa Check gives a fast, repeatable mite count without alcohol or soapy water, and the bees walk away from it. A short burst of CO2 briefly stuns a bee sample so the mites let go; you shake them out and count. The bees recover in a minute or two and go back to the hive. What's in the box Sample container CO2 dispenser One 16 gram CO2 bottle replaceable, so you swap in a new one when it runs low How it works Scoop a