For optimal results, use when little or no brood is present in the hive. In general, apply two strips per brood chamber and take strips out after 30 days. Can be used with honey supers on, but it is not recommended to harvest honey or wax from brood chambers. Can be applied up to three times per year. Detailed instructions and precautionary information included. Includes 24 cardboard strips.
There is no temperature restriction on the use of HopGuard.