Ralf's Reef - 870 Gallon Reef, includes tank progress weblog, live webcam, livestock gallery and technical information [English, German]. CarlosReef - 180 Gallon Reef which specialized in small polyp stony corals. Includes gallery, reefkeeping tips and common mistakes. BeanAnimal's Bar and Grill - Reef aquarium related DIY articles and projects. From preventing heater failure and making overflow fail-safe to the human height skimmer. Joseph Weatherson's Great In-Wall Reef Project - Design, construction and photos of 240-gallon in-wall reef tank. Obsessive Compulsive Reef Disorder - Discussing reefing as well as its impact on the author's family life. Not everyone can understand the amount of time and money invested in this hobby. Nano Reef Aquarium Blog - Blog from a nano-reefer's perspective. Documents the latest projects, reviews and interesting information relating to this fascinating hobby. Allows readers to add their website or blog relating to reef keeping. Captive Aquatics Blog: Mike Maddox Live - Captive Aquatic's (www.captive-aquatics.com) Aquatic Expert & Consultant Mike Maddox's aquarium info & advice, with articles, tips, and viewpoints on all things marine. Additional freshwater and planted aquaria coverage by marine biologist Merritt Adkins.