Leafs gettin to early yellow and die shuld i feed her with bit nitrogen?

growdiaries.com/diaries/164016-grow-journal-by-asnoriu Grow WOTHOUT ANY NUTES. You have root problem and ph swing. Ph meters tend to lie, sometimes your own water has 300-500 ppm from tap, some calcium excess can cause it too. Many reasons could be, triple check meter, check ppm and ph in and collect run off into fresh clean plate/saucer and compare. That will tell you a lot.