Organomananswered grow question 10 months ago So close to harvest, why worry? Anything you do to try and "fix" these issues will not have any affect before you will be chopping her down. If you asked this question 4-5 weeks ago when the problems first started appearing, there may have been a chance to remedy these issues, but it is too far gone and far too late now. Probably occured from feeding with every watering and not getting enough run-off each time, leading to a massive build up of undissolved nutrient salts in the substrate.