YES INDEED! That's exactly what I was looking for, thank you! I was looking at ballasts last night, and I'm thinking I'll get a HQI ballast and run a SE bulb, since I may end up with a 36" long tank in the end. I have no problem changing bulbs every 9 months, and I've heard of people having excellent results overdriving bulbs. Also that would give me the option to go to DE bulbs eventually if I decided I wanted to go that route.
My other option is to just buy a normal electronic ballast, because I think I would have some energy savings over the core and coil type HQI ballasts... unless I can find an electronic HQI ballast? I've never seen a ballast described that way, so I'm not sure if these exist.
Also, I'd like to find a 70W ballast if I stick with the 24" long tank, as I'd rather just run T5HO for the main light source in that case and have the MH as more of an accessory and for the ripple effect. 150W over a 20 gallon high seems like a lot, but maybe not since I do plan to have some SPS eventually. And definitely not too much if I do get the 36" tank.
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Calvin
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Planning a 29 gallon mixed reef...
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