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Hull Cleaning

I wet dock my boat in Virginia. Hull gets very dirty, very difficult to clean. Does anyone have any recommendations on how to clean this? Thanks for your help.


  • nquirk
    nquirk Member, Moderator Posts: 672 ✭✭✭✭

    @GarrettFunDeck.  I've just had the pleasure of cleaning mine after a summer of sitting in the lake.

    I find the most effective hull cleaners to remove this contain oxalic acid.  I've tried the ones with muriatic acid, and while they work, take more effort.

    What I do (wearing rubber gloves and eye protection because it WILL find a way to flick towards your eyes when you're applying it) is dampen the sponge with the cleaner and simply apply it over the soiled areas (not too thin)  Then I let it sit for a 2-3 mins, and then more aggressively wipe it with the sponge.

    I use a bug sponge as I've posted below.  The mesh helps remove any heavy algae build up.

    I then simply use a hose or pressure washer to rinse the hull clean. 

    Here is one I've used that works well (Brand - I can't confirm this one contains the oxalic acid but the one that does is effective).  There is a video on that page as well with a quick demo.

    Hope this helps.


    2010 Hurricane SS 188 OB
    2010 Mercury Optimax 200HP / Mercury SS High Five 19P
    2010 Trailmaster SC trailer
  • BamaTony
    BamaTony Member Posts: 2
    Try out Bar Keeper's Friend.  It is sold in any grocery or Walmart type place and does a great job on any fiberglass surface including your shower.
    2004 Hurricane 237
    Yamaha 225, 4 stroke
    Magic Tilt Trailer
  • GarrettFunDeck
    GarrettFunDeck Member Posts: 2
    edited October 2013
    Thank you both very much. I'll give these a try and let you know the results