10-06-2010, 11:04 AM
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Coralife bulbs might be fine... From what I'm reading they are full-spectrum 6700k...
If you have a 2 bulb fixture, then keep one and put a 6500k t5 bulb into the fixture.
If you only have one slot, then it would come down to how long you're had the colormax bulb running... Over a year or two, then replace it with (any brand, GE, phillips, etc) a 6500k T5 tube.... They're just a few bucks at home improvement stores and wal-mart, and are usually called 'daylight'... Look for the 6500k though, and make sure they have the letters T5 on the package.
Also, I would reccomend you find a T5 NO bulb.. HO and VHO will be way too much light.
Last edited by redchigh; 10-06-2010 at 11:07 AM..