hello! im setting up my first tank and i have no octo experience yet. specs: 75g tank, probably a bimac, roughly 75lb live rock, Magnum 350 canister filter with the magnum 350 be sufficient or is a protein skimmer necessary to the point that my future octo is pretty much dead without it? i have 0 experience with skimmers. from my understanding, it is not absolutely essential for the survival of the octo. the main purpose is to cut down on the heavy load to make life easier on the filter, and to help hasten the cleanup process after octo inks/eats/poops. so with regular carbon and water changes to help compensate, i can by-pass the extra $200 buying a skimmer, right? or is that wishful thinking.