A tub of Autosol and mutton cloth, if its bad you can us wet & dry with very fine paper then wire wool with autosol lightly to then finish be hand with autosol on mutton cloth and you can us car polish to finish it. Thou your be at it each time you take the boat out of the water.
There some marine polish with autosol here.
http://thepolishingshop.co.uk/acatal..._Cleaning.html
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