Y ydocragul Active Member Jan 7, 2009 #1 do i need a ballast for any wattage of hps/mh lights? or just the higher wattages
Dirtfree Well-Known Member Jan 7, 2009 #2 huh? 400watt bulb for a 400watt ballast. They have to match wattage.
cleef Well-Known Member Jan 7, 2009 #3 Yeah man, all High Intensity Discharge (HID. All HPS and MH bulbs) require a ballast.
OregonMeds Well-Known Member Jan 7, 2009 #5 If you're in the US you can get the little econolight 150w hps's for $20. Includes ballast and bulb: http://forums.slickdeals.net/showthread.php?t=1096767 Best deal anywhere.
If you're in the US you can get the little econolight 150w hps's for $20. Includes ballast and bulb: http://forums.slickdeals.net/showthread.php?t=1096767 Best deal anywhere.