Quote Originally Posted by Skrappie
it does not seem to be a bad idea to get the most bang out of your ballast buck.
Go for the switchable, if you haven't already purchased.
rhizome Reviewed by rhizome on . Ceramic Metal Halide Bulbs...for HPS ballasts? Phlips MasterColor Ceramic Metal Halide ~ CMH ~ HPS-Retro White OK..techies...what does everyone think about this bulb? Rating: 5