Thank you for taking the time to re explain. I haven't been here long and obviously don't know how things work but I ll get there. Lol. Thanks again :peace:
Top plant with no blemishes is PH. Bottom pic plant has lockout because of the PH. Just a guess. Know your PH at all times and EC/PPM. I don't even water my plants without testing the PH first.
1 600 watt HPS is all I would do in a 4x4. That's what I use. 4 inch inline fan with charcoal filter. 2 600 watts you would be fighting temperature and humidity alot and also the girls would drink more and eat more. Keep it simple is My advice.
Thanks VERY MUCH for this info. I have been doing research on LED grow lights for awhile and now I can add this. MANAGE! These things are expensive! I'm looking into kits now. Has anybody tried Alibaba? Have you or anybody here heard of KingBrite lighting company? See attached. I would love any...