Michael, here are some details of my system:
125 gallons aquarium
Lights - 2 - 175 watts metal halide 12,000K one Sunburst and one Reeflux and two URI VHO 160 watts 1-Actinic whites 1- Super Actinic. Moon lights on at night.
Filtration - Remora Pro protein skimmer from AquaC (hang on back). No sump or any other filters. Macroalga, mainly helimeda in reef is an excelent filtration.
Circulation - Three Koralias power heads 2-#2 and 1-#1, two Maxijet 1200 under the rocks plus the main pump to circulate water through a 1/4 hp chiller (79 degrees)
Additives - Kalwasser, RO top off water, Reef Builder 1 tsp daily to rise alkalinity 7dkh, Seachem Reef trace 1 cap daily, water change monthly 30 gal. Coralife salt, 1.025 sg.
Livestock - see the photos.. All live rock collected 17 years ago.
Here are some photos of the equipment:
Lights

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luisgon
Top off system

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luisgon

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luisgon
Moonlights

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luisgon
Protein Skimmer

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luisgon