Patent ID: 8011311

Claim:
An apparatus for inhibiting and removing barnacles, fungi, plankton and other marine deposits from the submerged hull portion of a watercraft, said apparatus comprising: a submergible frame having a plurality of sections extending longitudinally and transversely slanted to substantially contour said submerged hull portion of said watercraft when said submergible frame is in a preparatory position prior to use; a plurality of vertical posts, said submergible frame is attached to said plurality of vertical posts; a rack and pinion gear assembly operably attached to said plurality of vertical posts for vertically moving said submergible frame up and down to a desired height; a plurality of nozzles disposed on an upper surface of said plurality of sections in facing relation to said submerged hull portion of said watercraft; an air compressor operably connected to said plurality of nozzles with a combination of valves and hose means and providing compressed air to said plurality of nozzles directing a stream of air bubbles towards and against said submerged hull portion of the watercraft; and, a timer for periodically shutting down the air compressor and stopping the flow of air to said plurality of nozzles.