Just because you have a set size of space, it does not gaurentee any yield numbers. That is what we call propaganda or "A sales pitch" The biggest thing that affects yeild (IMHO), in this order is:

#1 Your experience
#2 Light (wattage/lumens per square foot)
#3 Genetics
#4 Soil or Hydro
#5 Every other variable (nutes, medium, training)


You will note that in that list, you will not see "The Caddy"

You experience alone if nil, could be the difference between an ounce or a pound. That is, if 2 different growers had to grow in the same space, with the same Equipment. One with no experience would get schwag, while the other would be smoking the sinse. Practice makes perfect, not the Caddy.