It's sitting in a 29 long with a 10 gallon refugium (5inch DSB filled with cheato). Calcium is at 420, alk @8.9, mag 1400, ph 8.3 maybe 8.4, strontium 9-10, temp 78. ATO (old Kent salt bucket with Kalk), return from refgium is a Mag5 with a hydor flo adapter, Two skimmers (AquaC Ramora and...