Reef Central is by far the forum we visit the most. There is an abundance of information on the site, and you can pretty much find an answer to any question regarding reef keeping, corals, and saltwater fish keeping in general. RC states that their mission is to be “an online community where quality information about the marine and reef aquarium hobby can be exchanged among all levels of hobbyist from beginner to advanced. Our goal is to help educate people about the saltwater aquarium hobby and enhance awareness of the fragility of coral reefs around the world. ” Whether you are beginner or and experience hobbyist, interested in SPS corals, LPS, Zoanthids, Aquarium Lighting, DIY projects, Reef Chemistry, and plenty more, make sure to visit ReefCentral.com. If you belong to a local reef-related club, it is likely that your club has it’s own forum on ReefCentral.com. Reef Central is also an excellent place to get answers from your favorite vendors. Pretty much all major vendors have a forum dedicated to interacting with their clients and potential clients, answering pre-sale and support questions, and giving general advice.