Underwater Hull Cleaning Methods

Written by david shaw
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Underwater Hull Cleaning Methods
Many boat owners hire divers to clean the hull of their boat for them. (boat image by pearlguy from Fotolia.com)

When boats are kept at a marina or are subjected to regular use, build-up can occur on the hull of your boat. Algae and other marine growth can accumulate on the surface. These growths and bacteria can eat away the paint on the hull, weakening its structure. Using scuba or snorkelling equipment will allow you to clean the hull while it is still in the water. Use soft sponges, carpet or cleaning pads to help clean and maintain your boat.

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Sponge Cleaning

A soft sponge or small piece of carpet will gently scrub away the marine growth from the hull of your boat. Scrub the hull using a circular motion to remove the build-up. Only clean the areas that need to be cleaned. Over scrubbing may result in loss of paint.

Scrubbing Pad

Tough to clean areas that are too stubborn for a soft sponge can be removed by using a more rigorous scrubbing pad or sponge. If a hull has not been cleaned in a long time, marine growth can settle on the hull and into the paint, making it more difficult to remove. Apply just enough pressure to remove the marine growth and scrub using a circular motion. Over scrubbing may wear down and damage the paint.

Plastic Ice Scraper

A plastic ice scraper can be used to remove hard objects such as barnacles or muscles. The plastic ice scraper wedges the scraper between the hull and the marine growth. Pry the growth from the hull of the boat by sliding the scraper underneath the growth and gently breaking it free from the hull. Once the growth has been removed, a sponge or piece of carpet will remove any build-up that surrounds the area.

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