thats just a double ended metal halide bulb with a color temperature of 20,000K (more of a bluish tint) and the company that made the bulb was XM, he used it for 9 months with an average of only 6 hours a day in which the bulb was being used
<a href=showthread.php?s=&postid=10831833#post10831833 target=_blank>Originally posted</a> by seabisque how big is it though? will it fit on 39 gallon?
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