I have had my tank for almost a year now (since january) and it is doing fine and lately i have been considering, adding more live rock to the tank to allow a more "reef like look" as its not the best place to position corals. its an Aqua one 620t which i converted to marine, an i just feel it looks a tad empty. will the addition of rock cause a spike in ammonia or nitrates and cause my precious fish to die? or will it be sustanable. The LFS
has heaps of rock in tanks that have filtration. i am running a canister filter and the over head filter? and if so does anyone have any possible design ideas?