sailfish2 New member Jun 4, 2007 #1 Hey guys i pretty new to MH lights and I found a coral vale electronic 250w ballast and PFO 250 min pend for $175 good or no good what is the difference between mag and elec ballasts is it a big diif What does HQI stand for.
Hey guys i pretty new to MH lights and I found a coral vale electronic 250w ballast and PFO 250 min pend for $175 good or no good what is the difference between mag and elec ballasts is it a big diif What does HQI stand for.