undertai Active member Jul 27, 2006 #1 Has anyone tried the 175w DE bulbs? I came across 1 for free and would like to try it out over my tank. But would like to know if I would have to get an HQI ballast or just run it off of a regular M57 ballast.
Has anyone tried the 175w DE bulbs? I came across 1 for free and would like to try it out over my tank. But would like to know if I would have to get an HQI ballast or just run it off of a regular M57 ballast.
Mchava Active member Jul 28, 2006 #2 Well I dont think there is such a thing as a 175DE bubls. There are only 150,250 and 400 watters. So its not a DE. 175's are only mogul base bulbs.
Well I dont think there is such a thing as a 175DE bubls. There are only 150,250 and 400 watters. So its not a DE. 175's are only mogul base bulbs.
