That will work but if you can afford it try to find an air-cooled hood. It would save you heat and for most growers that is an issue.
Zandor Reviewed by Zandor on . Mh conervsion bulb runnin on hps ballast so if im correct you can run a 400w mh conversion bulb on a 400w hps grow light system with a ballast??? this is what im thinkin about buying...will it work ok??? http://cgi.ebay.com/400W-HPS-MH-CONVERSION-Bat-Wing-Grow-Light_W0QQitemZ7755230101QQcategoryZ42225QQrdZ1QQcmdZViewItem Rating: 5