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I am totally impressed. I realize that lighting is only one aspect and obviously you have the rest of the requirements nailed as well...low nutrients, flow, etc. But still, those 250 watt radiums are doing better than I would imagine. I tried a 250 watt Helios 20K on my Coralvue e-ballast and Luminarc mini and it looked like crap--way too blue and not bright at all. Do you think the Galaxy ballasts are above average for output?
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