Hi
New to the site and relatively novice in the growing game. Just seeing if anyone can identify what's starting to the cause yellowing on my young plants before I ruin them further! They're 3 weeks from seed colorado cookie and purple stilton autos. CC doesn't look as bad though but I want to catch it before it worsens. I was using small amounts of Rhizotonic at the start and have just moved on to small amounts of grow (using about half maybe less of normal schedule as I've read a fair bit autos don't need anywhere near as much but correct me if I'm wrong). These will be my first to go outside and first autos, and although I'm not expecting a miracle grow, I'd like to make sure they stand a chance before I put them out.
Thanks, in advance. Couple of pictures below of the PS.
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