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Things You Need To Consider Before Applying Antifouling Paint


If you store your boat in the water at least part of the yeat, keeping free of marine growth with one or more coats of quality antifouling paint is critical to keep it’s performing its best and for reducing fuel cost. This preventive maintenance task should be at the top of your list. A clean hull is safe, fast and efficient while the fouled bottom will reduce your boat speed and cost you more at the fuel dock.

Most of the company such as Anz Yacht uses antifouling paint to prevent marine organisms from attaching themselves to the hull. Most antifouling paints use the dissipation of the metal as a toxic biocide to prevent biofouling. Using the same paint as your neighbour might work for you but you must consider what type of paint you are applied in the past since there could be compatibility problems between different formulations.

Marine bottom paints

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In this article, we will discuss what are the things you need to consider before applying antifouling paint on your yacht.

  • Are you paint over an aluminium hull or sterndrive?

Never apply an antifouling paint that contains cuprous oxide on an aluminium hill o outdrive. Doing so will result in galvanic corrosion that will damage or even destroy your hull. Instead, select an antifouling paint that contains a compound of zinc, cuprous thiocyanate.

  • Do you want bright colours?

If you want your marine bottom paint to really dazzle, use one that contains white copper, zinc or ECONEA as a biocide. White copper is clean white in colour and used in brightly coloured paints.


Image Source: Google

  • Are you in the area that restricts biocides?

Your best here is to use a bottom paint that contains zinc or ECONA as a biocide. Worthy of mention is the speciality pain which contains no biocide at all. It is a super slick coating that easily sheds marine growth.

Check out here to learn new biocide free bottom paint launched in the market to get a dazzled yacht paint.


If you are painting over old paint make sure the old paint is firmly attached. Don’t put good paint over loose, flaky paints and never apply over old paint that contains a slippery Vinyl or PTEF agents.

Author:Corey Collins