Hull Shield—-Gimmick or Worth the Cost?

[Sharphooks]

HD Ultrasonic Antifouling Products - Hull Shield

HD RECREATIONAL SERIES Ultrasonic Antifouling HD Series – Continuous Ultrasonic Antifouling Protection For Recreational and Light-Watercraft Hull Shield’s HD Series for recreational and light-watercraft offers premium antifouling protection and value. With years of successful service to boaters...

www.hullshield.net

 

[SpringVelocity]

Doesn't look like it works that great. Some tests on many of them.

Ultrasonic antifouling: 4 cutting edge options put to the test

Antifouling that reduces the need for regular stripping, sanding and repainting has broad appeal. But is ultrasonic antifouling the answer?

www.pbo.co.uk