Our Swarm Attractant Vials are a mixture of essential oils in a gel form that is formulated to attract a swarm to an empty hive or nuc box. They come in a plastic bottle of 16 vials, to use open the vial and spread the gel on the alighting board or on the entrance and one surface of a frame, effective for around 14 days.Store in a cool dry and light free environment.Yes they do work !!
