The Krib Plumbing and Filtration Tom Sasala's DIY A Do-It-Yourself Guide to Aquatics Thomas M. Sasala Contents 1.0 Introduction 2.0 Wet/Dry Filters (W/D) 2.1 How They Work 2.2 Prefilter 2.3 Sump and Bio-tower 2.3.1 Sump 2.3.2 Bio-tower 2.4 Construction of a W/D filter 2.5 The Cost 3.0 Protein Skimmers 3.1 Protein Skimmers, How They Work 3.2 Counter Current, Air Driven 3.2.1 Construction 3.2.2 ...