Marine Science Saltwater Tanks Liberty High School   Introduction: I teach Marine Science (among other things) at Liberty High School in Fauquier County. As a semester-long project I have students manage 50+ gallon tanks. This is the first semester, so my 3 small groups of students are setting up our first 3 tanks from scratch. The tanks will be passed on and maintained by the next class of students when the new semester starts. This is a student driven project, meaning most of the research,