Photo by Ruth Christie Over the next few weeks, that pesky marine growth will reach it's prime-time in Chesapeake Country. There are plenty of reasons to keep your boat's hull clean: she goes faster, looks better, and uses less fuel. Click here for a video clip from Shurhold with tips for cleaning the waterline. The Maryland Department of Natural Resources provides these tips for undewater hull cleaning. When she's on the hard, follow these guidelines from BoatUS to restore the shine to a fiberglass hull.