And what would you recommend as a next course of action to take? Short of tearing the whole tank apart, I can’t imagine what else I can do here… The water is great (all tests show zero or are at normal levels) and the system is just screaming for the box of branch rock I’m waiting to order. All that’s left to do is figure out why the skimmer is acting up. As soon as I can get the skimmer under control the tank is ready to start the cycle. Loving skimmers but hating them sometimes 🙂 Joe Schneider <... Please read here: http://www.wetwebmedia.com/bestskmopfaqs.htm and the linked files above... or maybe just the ones on Aqua-C's line... contact Jason Kim there... Bob Fenner> Protein Skimming/Operation 4/6/06 Hey guys – I recently installed a sump on my 55 gallon, and moved my AquaC Remora to the sump. The sump is simply an 18 gallon Rubbermaid container. My problem is the protein skimmer is no longer producing fo