Thread: Is 40W of light is enough for a fish only 30G tank?
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Old 10-22-2005, 04:13 AM
Doormatt Doormatt is offline
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If it's truely fish only, it doesn't matter how much lighting you use. You could have no (that no as in zero) lighting, and they wouldn't mind in the slightest.

It's only with live rock (for coraline growth) and for corals that you need light.
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