Good advice, thank you. I'm going to have to start lifting them so I can get a good idea.
I've got a bag seed in a 12litre plastic pot that I put a few more holes in the side for aereation, and I've got an amnesia haze auto in a 12.5 litre air pot. I've actually got them under a 600w LED each because I was going to grow more and they're the only ones that did well, and I just left the lights up. But they're doing really well. Seeing good growth, just being careful not to over water. I have them both 1.5 litres of tap water on the 19th and had a bit of run off. The tops are dry now and it's a bit most a little bit down so I thought I'd give them each another litre today