"We're looking at everything," Messmer said. "[Maine South is] working with our pool vendors and things of that nature to say, 'OK, we're in acceptable levels, which we know we are. What else do we need to add to see if we can get even well beyond those acceptable levels?' Right now, we're getting prices on many types of things. Everything from the [medium-pressure Ultra Violet lamp] to the Ozone system, to bromine versus chlorine."