150 GPD 98% Reverse Osmosis MembraneI forgot to include TB Aquatics morning deal the other day. Opps. Here it is: 150 GPD 98% Reverse Osmosis Membrane$39.95 ($44.95) Ryan GrippRyan 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.Share This Previous ArticleSiphon Filtration filters use surge to create a new type of wet dry filter Next ArticleORA Hiring for Sales Team Sep 17, 2009