my leaves are turning yellow

can anyone help with this? i'm a month into my grow, the oldest plant has had yellow bottom leaves for about 4 days now without any other noticeable changes and the others are starting to change on there bottom leaves also.
 

darkdestruction420

Well-Known Member
can anyone help with this? i'm a month into my grow, the oldest plant has had yellow bottom leaves for about 4 days now without any other noticeable changes and the others are starting to change on there bottom leaves also.
We need detailed info on your grow and your routines involving it. The problem is most likely a nitrogen defeciency, what is causing it is not possible to tell you w/the info you provided.
 
i re potted them 3 days ago and gave them each a quarter to a third gallon of water, and have been watering the plants the last 2 days. they have the soil tabs but i'm beginning to think that stuff is just a hoax
 
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