Running an AquaC Remora Pro with an MJ1200 & pre-fliter box here. This is in addition to an Eheim Professionel II cannister (loaded w/ crushed live rock, Rowaphos & Boyd's Chemi-pure), & a 10g fuge with live rock & macros (NO caulerpa!). BTW I am not anti-caulerpa, per se, just prefer macros...