m0useanswered grow question 3 years ago Humm. good question.
Can you provide us with details or link your dairy to the question,
how much your feeding her?
EC/PPM/PH of solution going in and run off coming out if their is any.
did you lower your light reticently or increase it? eg dimmer from 50% to 100%
Need more information before can fully solve the cause.
Cheers,