yes 3 is sick double chamber calcium reactor big skimmer and chiller all in the garage ro is direct line into the sump makes fresh and salt in two chambers and water changes are as easy as a flick as a button. I still have to carry jugs very nice system. 2 still is a very nice nano that is really 34 gallon. 1 has been running for 1.5 yrs. it has had its up and down like any other reef tank. i also have a 120 just started it was a hand me down from my oldest brother when he went to the 180. my family likes reef tanks. i have to thank george and scott at star aquatics in augusta GA, THEY ARE THE BEST