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Re: Bulbs in Coralife CF fixtures

The actinic is of no use in freshwater planted aquaria, as far as I know. Someone has even gone so far to tell me that it encourages algae growth. When I had a 50/50 CF fixture over my 75 gallon tank (something that was encouraged by the know-nothings at the LFS), my water turned pea soup green, and algae grew out of control on everything, despite whatever I did to curb its growth (water changes, no fertilization, blocking out light, cutting back feedings, etc). As soon as I changed to a 6700K daylight bulb, all my problems disappeared. This was after a 3 1/2 week bout with pea-soup water.

Hope this helps...anyone else have thoughts on the matter?

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