Hello to all! I have been doing a bit of digging through this forum and others for any user knowledge on vertical growing similar to the ZipGrow Towers that Bright Agrotech is using. I am interested in how one figures the amount of water needed per tower if it was planting with 4 or 5 plants (lettuce, herbs or other green like chard). Once I have an idea on the amount of water needed to run throu…