Can you elaborate some?
What type of plants are they?
what type of
nutrients are you using?
What type of water are you using?
What is the day/night air temps?
What is the
nutrient solution temp.
How old are the plants?
How often do you check the pH level?
How often do you change the nutrient solution?
How many gallons of nutrient solution do you have feeding the plants (size of the reservoir).
What do the roots look like? (any pics of the roots?)
etc. etc. etc..