Seeds have sprouted well, looking perfect. Since its hard to source soil and nutrients and stuff rn in Germany (bc of the legalization of home growing of up to 3 plants), I finally fell back to sprouting the beans in quite heavily preamended BioBizz AllMix I had laying around. Until time of writing this comment, all look quite well, so no worries for me.
When they outgrow their mini-shoes, I will put them, into 4L Biobizz Lightmix (which I finally got my hands on, yay!) as a middle step and then pot them intop their final 5 gallon fabric boots (Autopot system waiting).
They will receive a strictly organic feeding directly into the soil and a topdress before flower is scheduled. If tghey show problems mid-run, I will use some Biobizz leftovers from a friend. I dont like those products, however, so I hope they dont do some bad shit to my girls.