umm i was thinking 2 250 hps becaust the area to be covered with light is 19" X 30" can i grow 3 scrog plants there. so what would a good hieght be i am going to grow c99's. i need to divid the total height in to 2 compartments. the height of the cabinet is 70". also should i use dirt or hydyo. it will be able to get plenty of my time i am disabled and am at home all day most every day.