been in the hobby for about 7 yrs many ups and downs due to a traveling job, but switched jobs home every night to tinker.35 hex 25 pounds of rock, mix reef, vertex 130 skimmer, mp10, brs reactor with chemi pure blue in it. sb reef lights, diy fuge , and so happens my auto top off died on me. had it for 3 yrs and I was doing my water change and maintenance and plugged everything back in and ato started dumping kalk in my tank. lucky I was right there and stopped it right away, but once I plug it in it starts the pump sensor fail I don't know. just glad I was there lol. so its manual top off and a rigged up kalk dripper till Christmas haha.