New grower again, 8wk flower, GSC, in soil 707, ph checked always, ppm 500 to 600 out is still high, I think, 1200 to 1500ppm, but fan leaves yellow then die, any ideas? Thanks
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New grower again, 8wk flower, GSC, in soil 707, ph checked always, ppm 500 to 600 out is still high, I think, 1200 to 1500ppm, but fan leaves yellow then die, any ideas? Thanks
A PPM of 500-600 in late flowering is pretty low. I usually run 1000-1600 .. That may be why you're seeing yellowing.