well damn "Shake"you come to the rescue as quick as I can post. thanks alot for that I am sure I have neg. pressure I just wasn't sure if you could have too much. While I got your attention you also have a small grow box with fluro's that you use, correct? Would I be best going with a few plants using lst or more plants sog style. And one more question if you do not mind Do you use superthrive, and if so when and how much? Thank you ahead of time!