Okay, let's troubleshoot your real problem!
You are giving too much water. The soil looks like it's quite dense, and that means a dry surface isn't indicative of a dry pot. Feel the WEIGHT- lift the pot to determine dryness.
You should read the sticky at the top of 'basic' about continuous canopy, and the FAQ entry about potting-up. Unused soil in a pot too large for a young plant WILL stagnate and become problematic.
If you can punch a BUNCH of large holes in the sides of the pot to aid drying and root zone oxygenation, I'd do that right away.
stinkyattic Reviewed by stinkyattic on . Do soil lice cause yellowing? I am a whole 13 days into the grow and I'm already experiencing a little yellowing. I have noticed that I have some bugs that like to rave on the top of the soil after watering and most sources point to soil lice. Most of my plants look all right, but I have noticed some yellowing starting from the bottom up. I just fed them for the first using Miracle Grow Bloom Booster (15-30-15) at 1/3 strength. My soil is a mix of top soil and organic potting soil with no added nutes. It looks a bit like a Rating: 5