Ah didn't think about that! I'll keep an eye on it. I didn't want to use caulk cause it s no fun but needed to feel like it was all sealed up. I supposes there's a risk that it could leach into the syrup huh!? Thanks for the repliesThat should work fine. Another option is to leave out the wire mesh and put floats in to give the bees something to walk on.
The center opening is pretty wide, much wider than bee space. Next time make it much smaller. This is a place where the bees could make burr comb.
Yes, otherwise they will build in there. The commercial feeders seem to be like this as well. Pic in the link below showing what they invariably have done to mine.I'll shim up the opening to bee space 3/8ths ?