Heart Failure, lol BEEN THERE! People can't imagine how emotionally up-heaving hatching can be unless you experience it, right? During my last hatch of 22, i was up for 48 hours just watching and worrying. I developed 'bator face' from resting my chin on the styrofoam during the dark pre-dawn...
I have the same issues with maintaining humidity in my incubator, and often encounter the tough white membrane situation. I will tell you what i have done and what my experience is, but i would hate to steer you wrong as i am not a totally experienced "hatcher" (only 4 hatches under my belt -...