its been set up for almost a year its a 55 i have 1 domino damsel,2 spotted puffers,1 hawiian puffer,1 humma trigger,1 fox face,1 rusty angel,2 atlantic long tenacle anemones,1 choc chip star a dragonet a choc tang and a yellow tang a lfs sold me some em tablets but another lfs told me not to use them tests are 0 ammonia 0.25 nitrite 5.0 nitrate and 8.4 ph