TEXT: """I grew up here and have seen the river change. It used to be crystal clear. This is the most active thing I can think of doing to to help make a difference,"" said Sara Warren, right, of Stuart who bags oyster shells with her boyfriend, Justin Murray, back, Saturday, October 13, 2018, during the Florida Oceanographic Society's Rally for the River in Flagler Park in downtown Stuart. Visitors got the chance to tour downtown Stuart's living oyster reef, participate in water quality demonstrations, prepare mangrove propagules for planting, and meet local water experts to learn about water-related problems, including toxic algae and red tide."