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PNW: Ash from the forest fires will rust your gelcoat!-gctid824049

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    PNW: Ash from the forest fires will rust your gelcoat!-gctid824049

    I started washing the ash off my boat the other day only to find most of the deck, and particularly the areas of non-skid gelcoat, were completely rust spotted. Apparently the ash contains iron. I wish I had taken pictures, I would say about 50% of the non-skid gelcoat surface are was rust stained and about 10% of the horizontal smooth gelcoat, even down to the small bow "window ledges". It came off relatively easily with Muriatic acid.
    Alan Teed
    MOONSHADOW
    1996 Wendon Sky Lounge 72'
    Gig Harbor, WA
    Previously:
    1994 Bayliner 4788
    2006 Hylas 49' SY
    Bayliner 2855
    1977 Cal 34' SY
    1981 Hunter 33' SY

    #2
    Went to my boat last night. Horrible. It was covered and yellow stains here and there.

    Going to get som of that acid today. Any usage guidelines?
    BLOG ABOUT MY BOAT... www.seattleboater.com
    5788 Man 610's- Love Her !
    Sold:Bayliner 3587 | Extended Hull

    Comment


      #3
      I don't claim it won't damage gelcoat although I have never seen any ill effects, so use at your own risk! I use Muriatic acid that you can buy in gallon containers at any pool supply store. I splash some on a ling handled brush and brush the affected area letting it sit for a few seconds, which is enough for light rust stains. For heavier stains I will let it pool on the stain for a few seconds. Then I immediately rinse it off. I am pretty sure it dissolves wax so I do plan to get the topsides polished and waxed on haulout this winter. Muriatic Acid is diluted Hydrochloric acid and although diluted it is still very strong. It gives off fumes when it reacts with water, and splashes of it will burn skin. At a minimum wear safety glasses and avoid breathing the fumes. To be really responsible wear long protective gloves and only work where you can stay out of the fumes (like in a breeze).
      Alan Teed
      MOONSHADOW
      1996 Wendon Sky Lounge 72'
      Gig Harbor, WA
      Previously:
      1994 Bayliner 4788
      2006 Hylas 49' SY
      Bayliner 2855
      1977 Cal 34' SY
      1981 Hunter 33' SY

      Comment


        #4
        On and Off Cleaner, won't hurt the gelcoat and will remove the stains Don't get it on your trailer
        Boatless at this time

        A veteran is someone who, at one point in their life, wrote a blank check made payable to "The United States of America," for an amount of "up to and including their life."

        Comment


          #5
          We're just heading South after the smoke moved back into Desolation Sound earlier this week. The boat had a grey dusting of fine ash particles, and most of them washed off with plain water, but there are a few residual yellowy brown spots too.

          Would a weak solution of oxalic acid be the stuff to use rather than the traditional bottom cleaners or muriatic acid?
          Rob
          Bayliner 5788
          'Merlin V'
          Vancouver BC

          Comment


            #6
            "MerlinV" post=824066 wrote:
            We're just heading South after the smoke moved back into Desolation Sound earlier this week. The boat had a grey dusting of fine ash particles, and most of them washed off with plain water, but there are a few residual yellowy brown spots too.

            Would a weak solution of oxalic acid be the stuff to use rather than the traditional bottom cleaners or muriatic acid?
            Yes - that's the idea. We have had good results with Davis FSR which is oxalic acid in a non drying gel so you can smear it on larger areas and then hose it off after its done the job. Occasionally a light brushing will be needed while it remains wet if the stains have been on a while and taken some tooth.
            Northport NY

            Comment


              #7
              Starbrite Rust Stain Remover is a spray that works well. (also good to get rid of the yellow on the dinghy bottom) Any of these things will remove the wax.

              http://www.starbrite.com/item/rust-stain-remover
              1989 26' then 1994 32' now 2001 39'

              Comment


                #8
                I just used acetone to remove some rust stains in the bilge. Works great on scuffs too.
                Jeff & Tara (And Ginger too)
                Lake Havasu City, AZ
                |
                Current: 2008 Playcraft 2400 MCM 350 Mag B3
                2000 Bayliner 3388 Cummins 4bta 250s (SOLD 2020)
                2000 Bayliner 2858 MCM 7.4 MPI B3 (SOLD 2018)
                2007 Bayliner 305 MCM twin 350 Mag B3s (SOLD 2012)
                2008 Bayliner 289 MCM 350 Mag Sea Core B3 (SOLD 2009)
                And 12 others...
                In memory of Shadow, the best boat dog ever. Rest in peace, girl. 7-2-10

                Comment


                  #9
                  I can tell you what doesn't work, CLR.
                  Esteban
                  Huntington Beach, California
                  2018 Element 16
                  Currently looking for 32xx in South Florida
                  Former Bayliners: 3218, 2859, 2252, 1952

                  Comment


                    #10
                    The Works toilet cleaner took it right off. Got it at the dollar store, can't beat the price or results. As with other products will need to wax. Affected. Areas. Good luck, cleaned my boat up today. Yuck.
                    Kevin & Robyn
                    Koppers Kove
                    MMSI 338206107
                    2001 Bayliner 2452
                    5.7 B2 PT BRA3 17p

                    Comment


                      #11
                      We've been in Singapore for the last week, my boat neighbor says our boats have ash on them. I have a bag of oxalic that I can mix whatever strength it takes. It isn't as effective as muriatic but not so hard on your nose and gloves. I've never had muriatic hurt the gel coat.

                      I'll be back on the boat Tuesday.

                      Several of the Starbrite product have oxalic in them. You can buy a bag of it on amazon and mix your own.

                      Comment


                        #12
                        Alaskan mutt.

                        I have on and off on the boat. Is it safe if it gets on the stainless steel like rails and surrounds for cleats?
                        BLOG ABOUT MY BOAT... www.seattleboater.com
                        5788 Man 610's- Love Her !
                        Sold:Bayliner 3587 | Extended Hull

                        Comment


                          #13
                          BarKeepers Friend works good on removing ash and the rust stains. It is available in a spray bottle as well as a powder. Not as hard on you or your boat finish.
                          Terry
                          Br$keAweigh
                          1987 3270
                          H/P - Powell River, B.C.

                          Comment


                            #14
                            "Koppers Kove" post=824116 wrote:
                            The Works toilet cleaner took it right off. Got it at the dollar store, can't beat the price or results. As with other products will need to wax. Affected. Areas. Good luck, cleaned my boat up today. Yuck.
                            " The Works toilet cleaner"

                            I agree that this stuff is great for removing organic stains...

                            any acid will work to remove these type of stains, and the stronger the acid the quicker it works... strong acid wont hurt polyester gelcoat, but some formulations WILL harm epoxy and certain other plastics such as nylon (nylon fittings/cleats/antenna mounts) so use it safely.


                            NU LIBERTE'
                            Salem, OR

                            1989 Bayliner 2556 Convertible
                            5.7 OMC Cobra - 15.5x11 prop
                            N2K equipped throughout..
                            2014 Ram 3500 crew cab, 6.7 Cummins
                            2007 M-3705 SLC weekend warrior, 5th wheel
                            '04 Polaris Sportsman 700 -- '05 Polaris Sportsman 500 HO
                            Heavy Equipment Repair and Specialty Welding

                            Comment


                              #15
                              I just bought some Starbrite deck cleaner with PTEF and some Starbrite non skid wax. I will be applying it this week so cannot report on its effectiveness yet. They received some decent reviews in Practical Sailor and supposedly does a good job of cleaning. With regular use makes future stains come up easier. I'm hoping it works to more easily clean the deck stains we get from Bay Area pollution and nearby construction. It may help your situation??
                              2000 4788 w Cummins 370's, underhulls, swim step hull extension
                              12' Rendova center console with 40HP Yamaha
                              MV Kia Orana
                              Currently Enjoying the PNW

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