Well this little tank started off as my first foray into saltwater aquariums. I rapidly decided I wanted bigger tanks and went from an IM Nuvo 30l AIO then upgrade to IM SR60 AIO and then now my present reef is a 90 gallon AIO that started its life as a freshwater tank. The Cube is modded up with the rear chamber removed and cover replaced with Kraken Lid and had been used as a freshwater for about a year and a half. Current light will be NooPsyche K7 mini and either one or two Sicce wave pumps that push 270 gph. Keeping the Fluval hob filter for mechanical filtering. Nothing in it except water/sand/ some rocks so far. 3 were rock from the 90s rear chambers and 3 were dry rock I had on hand. Still mulling final? Scape. Might be a little while before I start adding inhabitants however as well