Well there are several types of fluorescent bulbs. There are standard T8 or T12, there are VHO (which are basically a high output standard), and there are T5 HO. You can also get compact fluorescent, which are a little bit different, not tube-type bulbs. If she bought the thing in a kit, they're most likely standard fluorescent or compact fluorescent. Wattage is a very important thing to know. The general rule for reefs is you want 4-6 total watts per gallon of water.
Also, you're going to want more than just actinics. You're going to want 10,000K day bulbs (at least as many as you have actinics).
Last edited by volitan_fa; 01-10-2007 at 01:48 AM.
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