This is a discussion on SE or DE MH? within the Saltwater Aquarium Equipment forums, part of the Saltwater Aquariums category; -->
Why go with one vs the other? any info you can give me would be great.
Everyone seems to be ignoringthis post. Afraid of it I guess. But, here is my angle. A combination is usually used for various reasons, mostly intensity and spectrum requirements of the inhabitants of the tank. The same applies in saltwater as well as fresh water.
Sorry, wasn't ignoring you, have just been trying to get enough time to ask my husband his views. If anyone knows lighting, its Rob, and his input is always useful. Hang on, I'll post for you as soon as I can!