Fertilized Queens -Oxalic Acid Bee Spray Highlights Generic Brand Oxalic Acid Bee Spray Description: Durable and easy to use Perfect decision for treating bee colonies in the hive with formic acid vapor or other drugs to create favorable conditions for them every year. Seal the hive so it stays in the vapor, normally with a foam bung at the entrance. Add the correct amount of oxalic acid (as indicated on the container) to the vaporizer cup. Connect up to a battery 12V car charger and slide the spray cup into the center of the beehive through the entrance. Seal the inlet up, let sit until all the oxalic acid has vaporized (a few minutes) and remove. This is the most effective method of applying oxalic acid to bees to control Varroa mites. Specification: Material: Steel Length: 50cm/19.69inch Package includes: 1pc bee vaporizer