News Macna 2007—is coming, you going? Macna 2007 is coming, are you going? If you are make sure you stop by the Reef Builders booth. You can get some really great freebies! Ryan Gripp Ryan Gripp founded Reef Builders in 2006. He writes about technology, industry and other associated news relating to saltwater fish tanks. He went to Depaul University and has been keeping reef tanks for over 15 years.