Apply in late fall to early spring when monitoring indicates treatment is necessary.

Do not use it when brood is present.

140 g treats approximately 80 colonies and mixes exactly with 4 Litres of sugar solution when using the Oxalic Acid Optimiser Kit.

Always wear impenetrable gloves when handling any form of oxalic acid.
Protective clothing should be worn to prevent contact of the liquid or powder with skin.
Full facepiece respirator with cartridge suitable for Organic acids must be used when vapourizing oxalic acid crystals.