Zero Mass Water, a startup company that grew out of research led by Cody Friesen, a Fulton Schools associate professor of materials science, is among purveyors of what is being called “live water,” “raw water” or “real water.” They’re part of the “water consciousness movement” that is sparking debates about the pros and cons of water treatment infrastructure and water purification processes, and the resulting health benefits or drawbacks of both treated and untreated water.