Either your ph is off (should be 6.2-6.8) and yours is a TOUCH but not much or the soil is too "hot" for your seedlings and is burning them. I'm thinking it's the second one but I grow hydro so that's strictly a guess.
Weedhound Reviewed by Weedhound on . yellow leaves help appreciated hi all thank you for looking at this thread and hopefully you can help me the plant is skunk#1 i also have other plants growing but it is just the 2 skunk#1's showing these signs. the new growth seems to be alright and one is worse affected and is smaller than the other -indoor -soil, -allmix -bio bizz -added extra perlite to the all mix -bottled water ph 6.9 -19 days -in the room there are 2 envirolites 125w & 200w they are on 24hrs a day Rating: 5