Just looks like overwatering. Water every three days or so or when the soil gets dry about an inch down.
For that size pot, I would probably water with about 150mL of water or until the water just comes out of the pot drainage holes.
Good luck!
Slap a couple of muffin fans on there. Put one on the bottom for intake and one on the top for exhaust. Power them with this: AC to DC Adapter - 110v AC to 12v DC Converter w/ 4-Pin Molex - FrozenCPU.com
Good luck!
I've had these babies--6 babies in all--for 4 1/2 weeks. They are on 18/6 right now with LST. They seem healthy and are actually a little bigger than they are in the pics (the pics are from a couple of days ago). I don't have unlimited space, only about 24" x 16" x 30" or so to grow in, thus...
I really wouldn't transplant them yet. I have a plant that looked yellow and crispy that I thought had no hope at all and after a few days and a tiny bit of watering it came back out. These plants are extremely resilient and will survive a lot of abuse if you address the problems in a timely...