AKVA FNC8 net cleaning ROV for fish pens and cages. The ROV is designed to remove marine growth which reduce the oxygen levels inside fish pens and cages.
https://www.youtube.com/watch?v=C1KY4u6PXJA
Previously:
https://www.homemadetools.net/forum/...322#post116431
https://www.homemadetools.net/forum/...042#post100597
https://www.homemadetools.net/forum/...569#post107847
https://www.homemadetools.net/forum/...749#post124124
https://www.homemadetools.net/forum/...669#post118378