Oxalic Acid Dihydrate 99.6% is a white crystalline powder used for the control of Varroa mites in honey bee colonies. It can be sublimated into the hive or dissolved in sugar syrup and dribbled or sprayed between the frames.
Apply in late fall to early spring when monitoring indicates treatment is necessary.
Do not use when brood is present.
1 kg of crystals treats approximately 500 colonies.
For Your Safety: