I used rock and sand from my old 40b setup. 32 gallon biocube fitted with a reef octopus bh1000 skimmer (hob) black widow nem from cherry corals, bunch of assorted frags I got for free from JesseAlex Either (shout out to him) great guy. Clownfish pair 6 line wrasse and currently acclimating a yasha goby and candy striped pistol shrimp bonded pair from divers den.