The are several things with these plants The fi one has yellowing leaves and I am not sure what I need to do to fix it. can someone tell me what I need to do to fix this problem?
the dropping leave could be height temperature or over watering all of them look light green that could be nitrogen Deficiency or nut lock out due to ph problem, the rust spots could be cal definitely or could be nut lock out due to ph or light burn but if you get all the info people would be able to give you a better answer
A lot more info is needed. Please refer to the Read Me First thread for info on what to include in your posts.
https://www.mrgrowit.com/forum/grow-community/read-me-first
the dropping leave could be height temperature or over watering all of them look light green that could be nitrogen Deficiency or nut lock out due to ph problem, the rust spots could be cal definitely or could be nut lock out due to ph or light burn but if you get all the info people would be able to give you a better answer
We’ll need more info feeding schedule,how often do you water,what you grow in , ppm and ph run off light you use distance,RH and temp?