Hi there guys, here goes:
I have 2 plants on the go on a 18/6cycle , they are only about 6 inches tall and 7 weeks in, does that sound normal?
I m using a 150 watt HPS light, room temp is 80, water temp is 63-64 ,
PH is 6.5 but unfortunately i do not have a PPM meter yet, it's on the way...