I am so glad to hear that others have been doing the "dry" hatches at 30%! I have been keeping my humidity in the 30's. Tomorrow is lockdown and I need to get it up, though. I have an idea I shall implement in the a.m.....
I cut a sponge into a few small pieces and soak them. Then place them all around in there but in places I can reach with my straw and dropper method to re-wet them. Good luck!