Leave the sheet in the hive for 24 hours to detect the Varroa existence and amount. For best results apply in early spring, in warm weather between 15 to 25oC, and in fall seasons. 100% natural ingredients leave no residual in honey.
In case Varroa mites reached to the larva, use 3 more sheets in every 7 days. In 21 days the hive will be cleared completely.
90gx10 sheets in aluminium package.