Quote:
Originally Posted by Wheelman76
I just set up a refugium growing chaeto a few weeks ago and I'm using one of the swirly cfl daylight bulbs. I'll have to disagree that they do nothing , as my chaeto has tripled in size in 3 weeks
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Torally agree. I have 2 X 100W 6500K CFL grow bulbs on my 50 gallon fuge and it fills up the full 50 gallons in two weeks. Spectrum is a huge player.
That being said, just the economy spiral bulbs that you use in your home light fixtures usually wont work that well.