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Should I wax my boats hull?

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  • Should I wax my boats hull?

    Will waxing the submerged portions of my hull affect the performance in any way? I heard that it can have a negative affect.

    My boat is a Sea Ray 185 bowrider that is kept on a trailer. No bottom paint.

    Also, is there any benefit to using marine wax or is it pretty much the same as automotive wax?


    Thanks

    -Collin
    2007 Searay 185 Sport
    3.0L Mercruiser Alpha 1

  • #2
    Re: Should I wax my boats hull?

    ya going for a speed record in that b'liner?

    it won't make much difference but it will get washed off quickly.

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    • #3
      Re: Should I wax my boats hull?

      not look for a speed increase at all, I just didn't want it to have a negative impact. I wanted to wax it to protect it and perhaps make it easier to wash off the water line grime, but if you think it will wash away quickly, it may not be worth the effort.
      2007 Searay 185 Sport
      3.0L Mercruiser Alpha 1

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      • #4
        Re: Should I wax my boats hull?

        The smoother the finish or surface, the less drag in the water. Wax will make the surface smoother but the results probably won't be very noticeable in the average pleasure boat. I might help save some fuel but how much is hard to say. I would think that the marine wax is more water resistant than normal auto wax. After all, you can wash automotive wax out of a rag pretty easy with just water and it don't last all that long on the car either. I wax my car 5 or 6 times every summer just to keep the water beading on the surface. I doubt it would last very long at all moving through the water.

        The most important thing to do is keep the hull clean, don't allow dirt and growth to accumulate, wash the hull after every outing and you should be fine. The occasional coat of wax won't hurt either.
        Wax may help prevent some UV damage on the top sides as well.

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        • #5
          Re: Should I wax my boats hull?

          I wax the hull as far down as i can go comfortably with the boat on the trailer. Once a year or so, I crawl underneath and try to get the whole thing done just for good measure. I don't know if it lasts or not, but its part of me doing everything I can to keep up my older boat.
          Samuel Adams. Always A Good Decision.
          1987 5.0 OMC capri 1950CX bowrider, 3 bow 6 ft. Westland bimini
          sigpic

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          • #6
            Re: Should I wax my boats hull?

            Originally posted by redone4x4 View Post
            I wax the hull as far down as i can go comfortably with the boat on the trailer. Once a year or so, I crawl underneath and try to get the whole thing done just for good measure. I don't know if it lasts or not, but its part of me doing everything I can to keep up my older boat.

            I agree..why not take the extra measure to protect your investment..

            I waxed mine twice this summer so far..
            Angel

            2007 Larson Senza 206 5.0GL I/O Volvo Penta 220hp
            EZ Loader Trailer
            2008 Nissan Pathfinder

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            • #7
              Re: Should I wax my boats hull?

              I wax mine (the whole boat) once a month during the season. I've used both marine specific waxes and automotive and I can't tell much of a difference. The easiest wax to apply that I've found is Turtle Wax ICE (automotive). The shine and slickness lasts the longest also. So that's what I've been using. I've got about 6 different brands on the shelf at home I've tried.
              2007 Tahoe Q8i Sport Blue
              Merc 5.0 MPI 260hp

              2011 Dodge Ram 3500 dually
              6.7 Cummins Laramie crew 4x4

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              • #8
                Re: Should I wax my boats hull?

                Originally posted by reelfishin View Post
                The smoother the finish or surface, the less drag in the water.
                that can be debated as hotly as religion and politics, but the general consensus among the speed crowd (professional rowing/sailing and PWC racers) is that waxing actually slows you down.

                from my understanding, the hull is basically rewetting itself continously and causing lots of drag because of it. a nice surface that can actually become wet results in lower drag.

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                • #9
                  Re: Should I wax my boats hull?

                  Originally posted by smokingcrater View Post
                  that can be debated as hotly as religion and politics, but the general consensus among the speed crowd (professional rowing/sailing and PWC racers) is that waxing actually slows you down.

                  from my understanding, the hull is basically rewetting itself continously and causing lots of drag because of it. a nice surface that can actually become wet results in lower drag.
                  A lot of offshore racers will actually sand their bottom. Air collects in the rough patches and the hull rides on the air. There is less friction riding on air than there is riding on water. That is fact.

                  I think for the average boater, this does not apply. I mean, I don't think most boaters are cruising at the speeds necessary to create this phenomenum.

                  As stated earlier, the water passing under the hull would wear off any wax in very little time. I would stick to waxing the sides and topsides only.
                  1974 Century Resorter
                  2008 JC Suntoon Triple Tube
                  2007 Sea Doo Speedster SCIC

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                  • #10
                    http://maxrigging.com
                    sigpic "Spend a little money, save a lot of time"

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                    • #11
                      Re: Should I wax my boats hull?

                      Originally posted by boat1010 View Post
                      well that settles it!
                      If you decide to start competitively rowing your 18' bayliner, you know what to do

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                      • #12
                        Re: Should I wax my boats hull?

                        It is very good practice to wax your entire hull at least once a season, it shows you have pride and more importantly it places your eyes on what you normally don't see, I use whatever wax I have on the shelf at the time, turtle wax something or other.
                        '90 Chaparral 2000SL
                        5.8 Cobra
                        '67 MFG Westfield Regal
                        80hp V-4
                        (No private messages)

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                        • #13
                          Re: Should I wax my boats hull?

                          This is what i use on my boats - http://www.collinitemarine.com/
                          Gelcoat is not a solid surface..its porus..and anytime you can block UV..renurish the resins..and protect it from the harsh elements..your doing yourself a favor. And, like it was said...Take Pride in whats yours.
                          Nec aspera terrent

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                          • #14
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                            Re: Should I wax my boats hull?

                            I think waxing the hull is a good thing. I do it mainly so it cleans easier.... its not always the river water that's hard to get off, its the crap on the road that slings up underneath the boat (like tar, road kill, etc).

                            I'm too big to roll under the boat with a creeper.... but my wife is the perfect size for that. She does it once or twice a year.

                            And I'm not sure if this is true.... but I've heard that auto wax can make a white boat look yellow. I use marine wax just to be safe.
                            Baja Hammer
                            "Higher Maintenance"
                            port of Evansville, IN

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