i have a similar prob. looks like the nitrogen i added is gonna fixem up. plants use more N during flower.and my c99 need more N thru whole grow.
divestoned Reviewed by divestoned on . yellow leaves with black tips during flowering i have enclosed two photos of my crop. One is the full crop and the other is of the problem plant. Had this problem before, only once the leaves turned full yellow the buds started to die. hasnt happened so far with this crop only the one plant is starting to yellow, only started during flowering stage and also tips of yellow leaves are brown. plants were in veg for 6 weeks has been in flower so far for 5 weeks, still 5-6 weeks left, plant is big bud. does anyone have any idea why this one Rating: 5