Well, it seems I need to recreate my overgrow thread here. This is about the sulphur plasma lamp. It is a technology developed by NASA as a replacement for sunlight for deep space vehicles. In PAR ratings it equals or rivals the sun and yet puts off almost no heat. It flat blows the doors off of current indoor plant lighting HID in PAR, waste heat and energy efficiency! The price for them is about $1600 USD and they can be purchased at http://www.nurturelite.com/photoponics.htm. As far as I know they are the only people that still make them. It causes interference with wireless networking standards so it was discontinued. However, the basic technology is excellent and worth the money for large scale growers or just people that want the best. A national museum used them to replace a bunch of HID with 2 of these and had more light. The bulb is rated for roughly 10yrs but the magnetron must be replaced every 6-18 months at a cost of $50-60 USD. They are talking about making a cartridge type replacement system for the magnetron to make it easier to replace. I know, I sound like a salesman but I am in no way affiliated with them. Just a tech nut that likes to spread the knowledge. I was promised some pictures from plants being grown in Europe in about 2 months. I'll post them as I get them. Goodbye Overgrow, I will sorely miss you. IMHO everyone should donate $10-20 dollars to MPP, NORML and SAFER as our way of putting a sharp stick in the eye of my government, revenge. Take the decision away from the polititions and into the hands of everyday people. Thinking about starting a medical marijuana and industrial hemp referendum here the way they have in other states. Can't arrest me for that ASSHOLES!!!