well i currently have:
a 45 gallon w/25 gallon sump, 2x96 watt pc-7100k blue& 6500k white, cpr ps, 2 maxijet mp900, return pump rio 2100, crushed marble substrate
or 4x13 watt pc 6500k, 2x18"no actinic 03 15 watt each, aquaclear 200 for circulation also stores a 25 watt sub heater, one penguin 201? powerhead, 1" puka shell, 2" of sugar size sand over puka shell