i dont run a skimmer and mine is a mixed reef sps, lps, zoas, Xenia. i do weekly 20% water changes and run chatoe algae in the fudge also use carbon. i don't know as far as skimmer's go, maybe CPR HOB skimmer. the guy t,o ask about skimmers is "skimmerwhisperer" shoot him a pm im shure he would...