Oxalic Acid Vaporizer treatment for mites uses 2 grams of OA (measuring spoon included.) Insert into entrance of hive, seal entrance with cloth, and attach copper clamps to battery for 2 minutes with a fully charged 12 volt car battery or deep cycle battery. Remove vaporizer and leave hive sealed for 10 additional minutes. Finally, remove cloth. Use wet cloth to clean. Do not submerge in water.