STIRRING IT UP: Water aerators, or ‘agitators,’ churn up the bay waters to prevent them from being the site of a fish kill. A major one happened two years ago in Harvey Cedars in Kinsey Cove and Harvest Cove. (Photos by Ryan Morrill) Two years ago, Kinsey Cove and Harvest Cove in Harvey Cedars were overwhelmed with dead fish. High water temperatures and low oxygen levels resulted in hundreds of de