dont quote me on it, but as my knowledge form this forum is, hc needs very high lighting, like some t5ho , and pressurized co2. i love the looks of it, but its not worht the hassle AT ALL to me.
also im using 10 inch domes with 23 wat bulbs each. light spread is good. coveres the entire tank. they raised up a few inches look on the previous pages and see what everyone says about their tanks and such