I have heard that as well. Do you know if your friend was running 24/0? I am running a 16/8 on them and I hope that solves that issue before it occurs! I am doing this because the seed bank posted that 16/8 or 18/6 is perfect on there web page, figured they would know best!
"- using a 24/0...
You will only have smaller yields and smaller plants with a smaller pot but it will grow. Smoke is kind. You DO need to give them night time to grow properly, I have read that 18/6 or 16/8 is best from start to finish. They can get up to three feet I hear but again in smaller pots I dont...
Are you still using nutrients? If so stop and try lowering your ph down to one or as low as you can for the next couple of waterings. I have never lowered ph that far so you should make sure that wont hurt your girls before you do anything.
What kind of light do you have? If your hood has vent holes then I suggest you use them, I had to buy a bigass inline fan for mine. As far as humidity you need to get a dehumidifier or some other agent like what you get at walmart or autozone for your car. Arm and hammer makes a nice little...