Electronic Bio Fouling Prevention/Protection device(s); Ultrasonic Antifouling Systems; Cathodic Protection Systems; Bio Fouling prevention/protection device(s); Electronic Algae Prevention, control, protection device(s); Ultrasonic Algae Prevention, control, protection device(s); Bio Fouling Security control system; All the foregoing for use in seawater and freshwater systems including, in relation to, but not limited to, pipes, pumps, heat exchangers, chiller towers, fixtures, filters, vessel hulls and attachments, balast tanks, water storage tanks, rigs, rig equipment, ponds, lakes, rivers, causeways, water basins, underwater submerged structures