Oh, I agree entirely with the heating 'thang'...
Maybe I'll give them another go, but I have at least 50 varieties that have grown well from seed, so I kinda 'forgot' about the PDews!
I actually move them from my
germination chamber (AKA heated polystyrene box!) where they are under plastic domes, to a drier area, still on heat mats once they clear the soil. This is the tricky part - not letting them dehydrate.
Interesting idea about scarifying the seeds!
Later:
Very ingenious idea for a germination tent, Carol! Just one question: Did you not get condensation running down the plastic and onto the floor?