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Oxalic based treatment against varroa. Api-Bioxal is a powder for in-hive use and can be applied by trickling or by vapourisation.
Trickling: Use a 4.2% solution. Simply dissolve in syrup and trickle 5ml on to seams of bees between frames.
Vapourisation: 35g sachet treats 10 hives. Please wear suitable safety equipment.
£12.00 inc. VAT