I just started my Edge 6 gallon saltwater about 6 days ago. Started with live sand, a couple pds live rock, some base rock and now cycling. Now I broke a golden rule, and added a damsel around the fourth day, but it's eating well, and progressing fine so far, so no worries. This isn't my first time around the saltwater block so I felt comfortable cycling this way. The damsel may become permanent resident or return to LFS once I'm ready to add a clown or goby and CUC once cycled. Not decided yet. My Edge tank is the new LED lighting model, so I'm interested to see how it does.. At this point I have not added anything extra except a pre-filter sponge made for the Edge HOB filter's intake tube... Once I add corals I'll probably add a nano pump for more flow/circulation.......