Whats up canna culture? I need some help understanding this ph thing. Soil ph should be between 6.0 -6.8 with 6.5 being the sweet spot, we all agree? Ok. I ph my water( after mixing nutes) to 6.5, when i test my run off, its at 7.0. So on another plant, i ph the water to 5.0 in belief that it...