I've seen at max 150w HPS in a PC case. The guy removed the PC power supply, walled off the area from the bottom of the power supply up with glass for the HPS to live, with a fan for intake and one for exhaust. Ballast on top of the case, external to avoid the extra heat.

Seen a grow on icmag, 22w LED yielded 38 grams - who cares if it's fluffy, 38 grams is 38 grams!

You should watch my 50w micro grow in an old 90s SGI A/V workstation. Link in my sig.
khyberkitsune Reviewed by khyberkitsune on . Case Construction Let's talk small spaces; Really, really small spaces. More specifically, let's talk about a computer case. We've all read about the computer case grows and what not. Obviously, the yield from such a small space cannot and will not be significant. Maybe ounce, ounce and a half at best perhaps? Even so, it seems the perfect supply for medicinal purposes, does it not? Combine that with the advantage of a more stealthy operation and you have a better sounding plan to me. With the theory in Rating: 5