If you have enough ventilation it shouldn't be a problem from time to time. Personally I don't and wont smoke near my plants as I've heard it slows growth, there again I've seen many people do it without any problems.
I water every 3 days because the coco takes forever to dry out and it stays wet however the pot does feel considerably lighter before I water again and I read that you cant overwater coco and watering once a day will bring oxygen to the root zone but that might be a factor to the ph problem (not...
I have a pineapple express auto it looks like its suffering from 'the claw'(nitrogen toxicity) but the run off ph is in 6.6 - 6.7 range, I was thinking if it was over ferting the ph would come off at around 4.0 - 5.0 and I would also have burnt tips on the leaves would correcting the ph to 5.8 -...
by how much more per node did they stretch was it a considerable amount or barely noticeable? , would the plants need lots of training to fit in my 80x80x160 tent because of the stretch?
which fans of yours were vibrating the 2 6" ones I got inside to circulate air vibrate against the side of the tent a little bit but its not that bad and I put these sticky rubber things on the bottom of my 6" exhaust to quiet the vibration down because I have it on the top of my tent to save on...