Stay BB ... less nitrate buildup.. less overall buildup of detritius in the sand, etc... plus.. if you turn that cube into an SPS dominated tank.. it's better suited for it.
I too think cubes look nice without sand.
Just my opinion.
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20g BB Mixed Reef // Coralife 150w HQI // AquaC Nano // Koralia 1 & Seio 820 // Jager 200w // AC50
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