Ok I have no idea whats going on..Ive got 7 plants in flowering, alot in veg. ranging from clones to 4 weeks in soil pots. Now in both rooms all age plants are getting purple stems to large fan leaves and purple pin stripes on main stalk. One in flower room even wilted really bad. PH on runoff is 6.5 the soil is 6. I have them in 2 gallon pots, use Foxfarm ocean forest soil and ff grow big, tiger bloom,& big bloom ferts cut all measurements by half, but feed every other time.