How can I get my little seedling up to speed with ...

Hey there, so i had some seed sprout recently and 1 took about 9 days to break through and she's stayed smaller but eventually got pretty close to size of others. With the 12/12 I've read it has a tendency to stunt the plants since they cant begin flowering until at least week 3... I'd pull the runt out and give her a 18/6 with maybe some cfls for a week or 2 and give her the good boost in light hours to catch up and then send her back in with the rest. Or give them all a touch of 18/6? I always find at least 1 runt in every batch..but she might surprise you yet, it's early. Happy growing ✌️

If you're really in 12/12 schedule, just give more light than the others just a week and half, the time for her to catch up the others. They are still in the seedlings stage, and not really in flowering, so there will be no difference between the 4 in 12/12 and this one getting 18/6 for example

Under those lights its hard to see what could be happening , natural light pic helps. Sometimes they just grow slower and at this point its hard to say how it will turn out, some will surprise you. Do not try to make it grow faster with nuets or anything, just end up stressing it. Putting something under it sounds good if this continues

It's behind the other ones. That's why some growers start out with more seedlings then what they intend to grow so they weave out runts like that one/slow grower. If you want to keep her all you have to do is stack books or something similar underneath cup/grow pot to raise her up even with the rest. So she is getting the same amount of light and canopy is even.