On Jun 28, 2:45*pm, " wrote:
I have a wooden worm bin and am thinking about painting the lower half
of the inside with Urethane paint so that moisture can accumulate but
not soak into the wood.

My only concern is whether the paint would be toxic to the worms.

After curing a few days or so, probably not. Your best bet might be
some type of boat finish, spar varnish, whatever. If this is a custom
bait container for your fishng boat, consider a fiberglass/polyester
interior coating. That would be a fine environment for your
nightcrawlers.

Joe