Originally Posted by hulkavitch
7 cubic feet good?
Sort of a vague question... what do you mean by "good"? What kind of fermenters are you using? Buckets? Carboys? How big? How many will you be using at the same time?
There's no right or wrong answers here... it really depends on what you're trying to accomplish. And since our mind-reading powers are somewhat limited over the Interwebs, you'll get better answers if you use more than four words to form a question.