just hand watered, first of 3. Watering using full strength canna nutes and a finished product of 5.9 pH. The runoff is around 6.7, dunno is that is any help but iv also included some more photos as the problem is getting worse

Any help would be great
darbolah Reviewed by darbolah on . Still having unknown plant problemsa Hi guys, Iv just started flowering my 4-5 week old plants to find a female for cloneing for smoking (not sure yet) and iv noticed that my bottom leaves were turning a rusty/bronze/brown on the tips and working its way up the leaves. Also a few little patches appearing in the middle of some lower leaves. Now the thing is i was using a bad ph tester and i was under the impression it was around 7 and when i tested it today with a digital tester it was 3.8. So iv drained the resevoir and Rating: 5