01-16-2007, 07:08 PM
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The fish won't mind the light at all, but the spectrum that soft white lights put out is pretty much exactly the spectrum many algaes use to grow, whereas the higher color temperature lights put out spectra closer to that which plants use. Therefore, under soft white, alage will be able to out compete the plants for the available carbon and other nutrients, and your plants will fare poorly.
I cannot say for sure that this won't produce more algae than your algae eater will want to eat, but regardless of what kind of algae eater you have, there are types of algae they won't eat. Even SAEs won't eat black brush algae if they can easily get something else, and they won't eat green water and may have trouble with green spot.
Bottom line, you don't want to encourage algae. You'll get plenty with no encouragement at all.
Look for full spectrum lights and you'll do alright.