Whether or not you remove it for the winter depends on winter water conditions.  If you only get a thin layer of ice [...]

Salt water does not harm or deteriorate the Air-Dock boat lift.  Barnacles will grow on the bottom surface but do not affect its [...]

You only need enough water depth to float your boat.  In fact, if your boat sinks a bit into soft mud the Air-Dock [...]

Clean exposed areas, when necessary, with a soft bristle brush, water, soap.  Periodically it can be uninstalled and cleaned with a power washer [...]