02-23-2007, 06:07 AM
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Your main lighting then is 300w. The halides are in the type of spectrum, if 14K or lower, to actually count as your lighting. The actinics are generally referred to as color enhancing light. More for the effect then the photosynthetic properties. But as my old mechanic friend says, in a pinch any oil is better then no oil. LOL. WTH does that mean? Nothing. Ok I'm saying that it's good you have the actinic and even though most don't count it towards their overall lighting, it is doing something. If you really want to boost that lighting think of switching over to 250w set ups.
So are you "overdoing it"? Not really. You have lot's of room to add even more lighting. You should be able to keep a lot of less fussy SPS corals up in the last 8" of your tank.