that is a great idea about the cabinent .I am about to head up to home depot and look for a rubbermaid type cabinent . Woulde 6ft. be tall enough?
Can i find the switchable or digital ballast @ HD or locally?
Also, I live in very hot and extermley humid area. This utilty closet does not have air cond. . will the fan in the grow cabinent provide enough cool air for growth?

Thanks alot. Great info.