I have played with many configurations, and bought several bulbs, both MH and compact PC
Just today I changed it again. I am now running Ushio 10K 2X250W, with 96W PC's 420nm/460nm (Blue Actinics with Royal Blue)
I must say this is the nicest config yet.... Water is bright with blue but not too blue, and I benefit by having 10K for growth.
This is what I would recommend.
If you are using 96W 4pin configuration PC's, and if you are ever in Cowtown, I can give you a good deal on 50/50's... They are only a few months old, but that is what I just pulled out... I was just running Phoenix 14K with them, before I just switched things today again.
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Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite)
Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker
Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO)
Type of Aquarium: mixed reef (SPS & LPS) with fish
Dosing: Mg, Ca, Alk
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