When i came into this hobby, T5s were prevalent, with LEDs gaining speed. I currently run an ATI 8 bulb Hybrid Powermodule, which has been an outstanding fixute to this point. However, I have always been intrigued by the growth potential, shimmer, and color of Metal Halides. I am fully aware this is seen as going backward in this hobby, but I don't care. I don't mind the additional consumption on my electric bill or the bulb changes...already do that with the T5s anyway.
I am ignorant to a degree on the Metal Halide since i never ran one. I've only learned what i know from fellow reefers and R2R threads, since that's where most of the Halide discussions are. So I recently picked up a 72" Giesemann Spectra, and it came with Lumatek electronic ballasts. The Lumatek ballasts are switchable up to 400w, and has a Super Lumen position. It does not have an HQI selection. Does anyone know what the Super Lumen position does? Does it overdrive the bulb like the HQI function? I plan on running 20k Radiums and adding 72" XHOs to the fixture. Any of you old school reefers out there that can lend me a hand with your experience would be great. I want to make sure I use the best selection for the bulb to get the most out of it.
Cheers,
Clint
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