What nutes do you use? How much, and how often? What's it's N-P-K?
Are you giving any other additives or micronutes? (Any CalMag Plus, Superthrive, Reverse, hydrogen peroxide...?)
Are you treating for any bugs or other issues that may require you to spray them too much, or gunk-up the leaves?
Did you add anything to the soil before planting or transplanting?
Possible underwatering or overwatering?
Using proper lighting and schedules?

Would likely help if you filled out the troubleshooting form. Just giving bits-n-pieces of info you'll get a wide variety of opinions, over a longer period of time.
Rusty Trichome Reviewed by Rusty Trichome on . Rapid Deterioration - Please Help Diagnose Aloha all. Over the past 36 hours I have noticed one of the ladies take a turn for the worse, and quite rapidly at that. I can't figure out what would cause problems in such a rapid way, but the plant has been flushed, cooled (taken out of the high heat it was in), and is receiving what would be called "general supportive therapy" if it were a patient in a hospital (eg it is getting as much TLC as possible). Three days ago, this plant was thriving and a beautiful healthy green, no problems Rating: 5