If the mice have been in them and the reek of urine, I'd wash them off first.
I have not seen a problem with smells that humans wouldn't detect. Part of the advatage of wax foudnation is that it smells right because it's beeswax. This covers a lot of smells to the bees.
It's also why plastic works much better if wax coated. The bees don't seem to like bare plastic.

I have not seen a problem with smells that humans wouldn't detect. Part of the advatage of wax foudnation is that it smells right because it's beeswax. This covers a lot of smells to the bees.
It's also why plastic works much better if wax coated. The bees don't seem to like bare plastic.