Highest efficiency HPS I have ever seen!

[Toker1]

You need a high frequency ballast to run it, but is fits into a standard e39 socket. Air cooling capabilities.
Anyone out there in grow weed easy land using these?

http://www.sunsystemlights.com/shop...t-hyper-arc-hps-lamp?categoryId=par-pro-lamps

 

[Toker1]

177,000 lumens is like 161 lumens per watt

 

[Rwise]

I'll be watching this thread! Another grow went in near me, got his bill for the first 3 weeks of electricity, $2500.00 which he was not prepared for,,,