Im using 3x3 square pots and keep them in these until they get about 10"-12" tall and move to 1 gallon bags. All mine will go into anywhere from 5-20 gallon pots come spring.
Light Warrior has beneficial microbes in it maybe this is what your seeing on top of the medium. I'm using Happy Frog and it gets a white crust look to the top and I'm almost positive it's just the beneficial microbes in it.
I had my seeds in paper towels in zip lock bags on a heat mat set at 88° somehow it got turned up and the bags were at 112° for about 12 hrs did it fry my seeds?
Just want to thank my buddy Barley-pop57 for the great surprise package of jerky he sent me. Great stuff for sure and very kind of him.
That's some great stuff romy6.
Tobacco mosaic virus doesn't have a cure. If you get it best thing to do is burn all infected plants and pots need to be trashed or at least sterilized a few times with bleach.