Yes I think you're right about the probe @Bamadude, it is a pain! Heat spikes cause late deaths and malpositioning, it's the only consistent cause I can come back to @TheGeekySheep. I watched humidity, increased air flow, installed turner and still the same outcome. I could not control heat spikes. I might just run it empty for awhile and see if I can find a good spot to anchor that probe permanently. On a good note the roily poly is standing on its own this morning!