Oxalic acid dihydrate 250 g of high purity.
WARNING! Product for professional use only. Not authorized in some countries for use in beekeeping.
In the case of use in beekeeping, check if the use of pure oxalic acid is allowed in your country for sublimated or dripped use and check if veterinary drugs based on oxalic acid have been approved in your country to be administered against Varroa Destructor.
Whoever buys this product assumes full responsibility for any improper use.