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View Full Version : do i need 150w or 175w electronic ballast for 150w hqi?

skwirl
04/02/2007, 10:15 PM
i know on magnetic ballasts the 175w m57 ballasts fire the 150w hqi bulbs, but what about electronic?
skwirl
04/03/2007, 12:09 AM
i think 150 is it, but i wanna make sure
noodles9987
04/03/2007, 07:30 AM
You will want to purchase a 150 watt electronic balast.