I've had this on the brain for about 6 months now. This would be perfect. It has power coming in, use the top part for your lighting, Cut passive intake holes in the floor of the tub, could even do fans with filters IN the hose going out. Am I crazy, or do you think like me?
are you going to use the built in vacuum for air circulation? I think that might be inefficient. Looks like it has a drain on the bottom of the canister. No cutting would be required for passive intake. I've seen computer cases being used to grow. You might not get much out of it, but it would be pretty cool.