Barnacle Doctor diver cleaning the underside of a boat hull

Everything to Know About Cavitation Cleaning

Our machines employ Ultra-Cavitation: underwater cleaning at much lower pressure than conventional equipment, with no damage to your hull or its coatings.

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Diver swimming underwater toward the camera
The technology

How Ultra-Cavitation lifts growth off a hull

These systems are significantly more effective, efficient and ergonomic than the traditional ones such as pressure washers, water blasters or grit blasters, and they eliminate the danger associated with the use of high-pressure cleaning equipment. Our systems remove marine growth in significantly less time and with better results than traditional methods, while costing less to operate.

Ultra-Cavitation is based on hydrodynamic cavitation: vaporization, bubble generation and bubble implosion. The implosion happens in milliseconds; the rapidly collapsing bubbles produce shock waves that release tremendous amounts of energy and separate marine growth from the surface being cleaned. Elastic materials such as human skin easily absorb these shock waves, and the cavitating stream is far less dense than a regular pressure jet, which makes the machines much safer for an operator while remaining a very effective tool for removing marine growth.

What that means for your boat

Why we clean every hull, prop and piling with cavitation instead of scrapers or pressure.

  • Much lower pressure

    Ultra-Cavitation cleans with far lower pressure than pressure washers, water blasters or grit blasters, and removes the danger of high-pressure equipment.

  • No damage to surfaces or coatings

    The units clean steel, concrete, wood, rubber, fiberglass or fabric without damaging existing surfaces or surface coatings.

  • Faster, with better results

    Marine growth comes off in significantly less time than with traditional methods, at a lower cost to operate.

  • Safe for the diver

    Elastic materials such as human skin absorb the shock waves; the force on the diver's arm is comparable to holding a cup of coffee.

  • Works on any surface

    The same technology cleans any density of surface while not inflicting damage on painted ones.

  • Gentle on running-gear coatings

    Props, shafts and rudders are cleaned by hand with soft tools, following the coating maker's guidance, so the coating stays intact.

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Helpful to include: boat length, marina or dock location, and whether it has bottom paint.

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See the difference on your own hull

Photos and a dive report after every cleaning. Call or send the form for a free quote.