siskiou Posted April 11, 2009 Share Posted April 11, 2009 Since I have had cyano popping up pretty severely in my 60G cube, I switched the old MH bulb out for a new one today (among other measures, like more flow, more snails, large water changes). Do these need to be burned in slowly? Should I throttle the timer back to something like 3 hrs a day at first and add a half hour every few days? Or is that not necessary? Quote Link to comment Share on other sites More sharing options...
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