Share 'Agar Splitting'

This week I've begun growing Physarum polycephalum. The dark room I'm growing and photographing them has a space heater to keep it around 28 degrees centigrade. However I've noticed after 2 days in the open petri disk I'm photographing, the agar has begun to split. My guess is the regulated heat is making it too dry in this closed closet space and needs more moisture in the air. My idea is to in…