Neither; purely anyway, as a matter of fact. Yes, your pH contributed. But there is somethign else going on.
Fill out the troubleshooting form and we'll see what's up. Your plants look uncomfortably warm from here.
stinkyattic Reviewed by stinkyattic on . Poor plants in bad shape, and I dont know whats wrong. OK I am "calling all cars" - I need some serious help. I have no clue what wrong with this crop. :( See pics below. I am raising them identically to my last crop which is flowering but looks pretty good. These look so sad. wtf4: I checked PH and it looks alittle high, on or above 7.0 so last night I added a sqeeze of lemon juice and 1 tsp of epson salt to help the PH and add some MG. They are in an airconditioned closet in my garage, HPS lighting 400 watt, and ventaliation fans. Rating: 5