Why has your facility chosen a 100% coco coir medium over something like perlite or a combination of the two? I thought that the lack of drainage would only promote the propagation of fungus. Maybe because you're inside this is closer to a non-issue.
Also, if you're familiar, what are your thoughts on Howard Resh and his literature? http://www.amazon.com/gp/product/0880072229?ie=UTF8&force-full-site=1