I am looking to get a skimmer for my tank it is a 135 gal mixed reef,some soft some hard coral, total about 50. I have 1 yellow tang 1 Brown tang ,1 blue damsle and a pink tailed trigger, I plan on getting more coral maybe some fish but not soon.And I do have a 55 gal sump, Cant spend a ton of money,so says the wife, Any thoughts?