Small juvenile plants which have just germinated.

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3
votes
1answer
26 views

Rockwool - Over germination

I am new to hydroponic growing and I followed a few tutorials on the basics and in doing so I guess I missed a step when I sowed the seed because, like I do in soil growing, I sowed multiple seeds in ...
5
votes
0answers
25 views

Why are some leaves on my tomato seedlings turning dark and falling off?

I am trying my hand at balcony tomatoes and sowed some in mid March. I already transplanted them once from the seed nursery to small drinking cups of about 200ml. Since they were bending too much ...