If only the bottom leaves are yellowing, then worry not. They do that a lot. I wouldn't cut yellowing leaves off, if they are dying, they will just die and fall off. If you cut them, you run the risk of causing stress to the plant from cutting for no reason. I always water, til water comes out the bottom of the pot.
Okay thanks for the advice! How does she look? She is 22inches tall and is currently under a 400w mh. I have a hps bulb should I switch bulbs since I'm starting flowering today? Sent from my iPhone using Grasscity Forum