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I'm not sure I can really help here....I have the SB Reef Basic fixtures.....same PCB board, but not the fancy electronics to slowly ramp up and down. I simply have two knobs (potentiometers) for predominately blues/predominately whites. For what it's worth, here is how I'm running three fixtures over a five foot tank (I think 12 - 13 inches above the waterline). Whites are set at 30 percent, blues at 60%, and here's the timing of them running....to mimic a normal 12 hour day:
Sunrise (Moonlights) ----------- 1 hr --- 10AM-11AM
Morning (Blues only) ----------- 3 hr --- On at 11AM
Mid-day (Blues and Whites) -- 4 hr ---- 2PM - 6PM
Afternoon (Blues) ---------------3 hr ---- Off at 9PM
Sunset (Moonlights) -------------1 hr --- 9PM-10PM
Ok, thank you. At least it gives me an idea. I'll measure the distance off the waterline tomorrow once the lights come in. Just trying to have a basic idea, so this helps. I'm thinking of starting at 40% blue and 15% white peak %'s and adjust from there, unless anyone thinks this is a bad idea. I'm sure once I get it going someone will be able to assist as to whether it is too bright or too dull according to how my frag reacts.






















