𝙌𝙪𝙚𝙨𝙩𝙞𝙤𝙣 6 : 𝙎𝙤𝙢𝙚 𝙨𝙖𝙮 𝙪𝙡𝙩𝙧𝙖𝙨𝙤𝙣𝙞𝙘 𝙨𝙤𝙪𝙣𝙙 𝙜𝙞𝙫𝙚𝙨 𝙘𝙖𝙫𝙞𝙩𝙖𝙩𝙞𝙤𝙣 - 𝙙𝙤𝙚𝙨 𝙮𝙤𝙪𝙧 𝙐𝙎𝘼𝙁 𝙬𝙤𝙧𝙠 𝙩𝙝𝙧𝙤𝙪𝙜𝙝 𝙘𝙖𝙫𝙞𝙩𝙖𝙩𝙞𝙤𝙣? A very persistent myth that goes around: ultrasonic anti-fouling cleans or removes fouling with cavitation. Cavitation is '𝘵𝘩𝘦 𝘧𝘰𝘳𝘮𝘢𝘵𝘪𝘰𝘯 𝘢𝘯𝘥 𝘳𝘢𝘱𝘪𝘥 𝘤𝘰𝘭𝘭𝘢𝘱𝘴𝘦 𝘰𝘧 𝘷𝘢𝘱𝘰𝘳-𝘧𝘪𝘭𝘭𝘦𝘥 𝘣𝘶𝘣𝘣𝘭𝘦𝘴 (𝘰𝘳 𝘤𝘢𝘷𝘪𝘵𝘪𝘦𝘴) 𝘪𝘯 𝘢 𝘭𝘪𝘲𝘶𝘪𝘥'. Cavitation is basically an ex