Apibioxal, 35g (Treats 10 Colonies)

Api-Bioxal offers an optimal concentration of oxalic acid for maximum effectiveness against Varroa.
Can be dissolved in sugar syrup and trickled between frames of bees using a syringe.
Use when brood rearing is at its lowest level.
Permitted in Organic beekeeping.
Wear protective mask, gloves and glasses when using.