All, I would greatly appreciate some input on what's causing my plants to look like this. I've been PH'ing the water to ~6.5, until recently I noticed the run-off was coming in at 5.5. I gave them regular tap water which was measured at 7.5. The Humidity in my tent is around 27%, I'm going to try to bring those up using a humidifier. Temperature ranges from 74-81 degrees. While one plant has spots, the other has a leaf that's twisting...