Freshwater Science: Evaluating Interventions for Harmful Algal Blooms in Grand Lake St. Mary’s
OnlineAlum application is sometimes used to treat or prevent harmful algal blooms in inland lakes such as Ohio’s Grand Lake St. Mary’s, which experiences severe harmful algal blooms similar to Lake Erie’s western basin. But a 2021 Wright State University study suggests that the benefits, if any, of alum application and other interventions are short-lived.