Citrus College 1 article published in JoVE Chemistry Chemical Gardens as Flow-through Reactors Simulating Natural Hydrothermal Systems Laura M. Barge1,2,3, Yeghegis Abedian1,2, Ivria J. Doloboff1,2, Jessica E. Nuñez1,3,4, Michael J. Russell1,2, Richard D. Kidd1, Isik Kanik1,2 1NASA Jet Propulsion Laboratory, California Institute of Technology, 2NASA Astrobiology Institute, Icy Worlds, 3Blue Marble Space Institute of Science, 4Citrus College We describe chemical garden formation via injection experiments that allow for laboratory simulations of natural chemical garden systems that form at submarine hydrothermal vents.