𝙌𝙪𝙚𝙨𝙩𝙞𝙤𝙣 9 : 𝙔𝙤𝙪 𝙖𝙥𝙥𝙚𝙖𝙧 𝙩𝙤 𝙞𝙣𝙨𝙩𝙖𝙡𝙡 𝙡𝙖𝙧𝙜𝙚𝙧 𝙩𝙧𝙖𝙣𝙨𝙙𝙪𝙘𝙚𝙧𝙨 𝙩𝙝𝙖𝙣 𝙮𝙤𝙪𝙧 𝙘𝙤𝙢𝙥𝙚𝙩𝙞𝙩𝙞𝙤𝙣. 𝙒𝙝𝙮? It is all about the OOMPF, the racket these transducers (also referred to as 'transponders') make. The more (ultrasonic) decibels you can bring into a seawater exposed surface, the more it vibrates and the better we can prevent biofilm and if there is no biofilm subsequently you cannot have mussel/barnacle/tubewurm infestations. Du