i have a 2 by 3 area
using a 165 cfm exaust fan and a 85cfm intake from outside air blowing onto the plants.
3" pots with 7/16 of store bouhgt gravel in bottom for drainage into the tub
mircle gro soil mix with time release nutes , 20-20-20-nute and a 9-59-8 mix also
1 cfl 27watt 2600...