Black Grunge
Posted: Thu Apr 09, 2020 3:22 pm
I tried an experiment where I didn't heat-sterilize my soil before sowing some seeds and putting them into a ziploc. I relied on Physan 20 (2.5 ml / 32 oz boiled rain water) to treat seeds and soil. Two weeks later I have these little spheres of black mold/fungus?/whatever growing on the surface. Any ideas what it is and can it be eliminated or controlled without losing the seedlings?
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