Helloo, first off this site is extremely helpful, I've been reading all the articles and doing as much research as I can here. I'm starting an octopus tank with a buddy of mine, we're both relatively new aquarists but we have a lot of help from co workers and friends that have kept salt water fish tanks and our local aquarium supplier is very helpful/knowledgable. So far we've picked up the tank that most interested us yesterday, it came with a stand. Heres the link to the ad: http://london.kijiji.ca/c-pets-accessories-65-gallon-fish-tank-with-stand-lights-filter-system-W0QQAdIdZ215472403 We paid $150 for it. The seller used it exclusively for fresh water previously, and hasn't used it for the last two years, we've since been cleaning it. My friend works at a glass workshop and is going to specially cut glass to place over the hood and fasten it to prevent the octopus from escaping, we're still sorting out all the details. Can anyone help me along, after following the articles on ceph care with whats left to go. I'd like a canister filter, but they tend to be rather expensive, heres a filter for up to a 70gal tank (ours is 65), would this be okay? http://www.bigalsonline.ca/BigAlsCA/ctl3664/cp17903/si1316627/cl0/marinelandpenguin350bpowerfilter Protein Skimmer I've found, I've also seen them on kijiji sometimes when people are selling them: http://www.bigalsonline.ca/BigAlsCA/ctl3664/cp18090/si1320346/cl0/coralifesuperskimmerneedlewheel65gallon We're buying live rock from our local shop and our friend is giving us some rock from his previous salt water tank on top of that, how many lbs total do you think we should shoot for, I've heard 1lb per gallon. The website I've been linking to is that of our local shop, so they carry the same products, if anyone can help me pick out the final necessary equipment from here that'd be great. I think we're going to get some molllies first and have them for around three months to break in the tank before we think of ordering an octopus (which they are asking $99 for, but the sales rep wasn't 100% sure about species, he said to come take a look later this week and they'll have a list ready) Thanks for your help! My buddy and I are pretty excited to get this tank up and running.