true leaves

Hello everyone! I'm looking for some advice for my seedlings. I planted these two sativa seeds at the same time 16 days ago and, although they have been growing okay, both seedlings have developed a yellow tint towards the center. On top of this, the seedling on the left is developing slower...

Hey all! This isn't my first grow, but this is the first time I've started seedlings in rockwool, and the first time I've tried growing feminized genetics. All seeds were started the same way I've always successfully started seeds using the paper towel method and then directly into the...