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muratic acid?
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Author:  ry57pont [ Thu Jul 02, 2009 6:01 am ]
Post subject:  muratic acid?

does anyone use muratic acid to clean the hull? if so how does this work and not affect the gelcoat?- Thanks

Author:  lake_norman_vic [ Thu Jul 02, 2009 7:51 am ]
Post subject:  Re: muratic acid?

I was recently told by my marina tech that this was a no-no. Good question, I'm curious to hear what others say.

Author:  07H200SS [ Thu Jul 02, 2009 7:58 am ]
Post subject:  Re: muratic acid?

I know its common practice around here to use to clean the hull. Guy I work with uses it on his 25' Mirage. Its not the best thing for the hull, but he only uses it once a year at the end of the year. Says it works great. Think you need to dilute it with water though. Not positive on that.

Author:  cougarcruiser [ Thu Jul 02, 2009 8:15 am ]
Post subject:  Re: muratic acid?

Aside from the hull - what kind of damage will it do to your trailer?

There are some other alternatives... check out west marine. I think the active ingrediant in most of the off-the-shelf stuff is oxalic acid or something like that?

I've heard of people using oven'off with great results as well.

Author:  captwalt [ Thu Jul 02, 2009 9:09 am ]
Post subject:  Re: muratic acid?

cougarcruiser wrote:
Aside from the hull - what kind of damage will it do to your trailer?

There are some other alternatives... check out west marine. I think the active ingrediant in most of the off-the-shelf stuff is oxalic acid or something like that?

I've heard of people using oven'off with great results as well.


I think you meant Easy on and off on oven'off. This product is what contains the oxalic acid. Its great stuff but very strong. Good for once a year application to take a waterline and the nasty stuff off. You need to wear gloves, eye protection and a mask when using this stuff. Need to was afterwards as this will take the wax with it.

I would stay away from muratic acid.

Author:  Flyer51 [ Thu Jul 02, 2009 9:24 am ]
Post subject:  Re: muratic acid?

I have used Marykate On & Off Hull & Bottom Cleaner. I believe the active ingredient is oxalic acid. The gel works quite nicely. I do cover my trailer and I wear gloves when I apply it. I always rinse down and then wax after I use it but I only do it at the end of the season to get rid of the stubborn lake growth that I don't want to leave on over the winter.

Author:  yrless11 [ Thu Jul 02, 2009 5:37 pm ]
Post subject:  Re: muratic acid?

I used the marykate on & off on my hull too. Works great. Make sure to wear gloves, mask/respirator and eye protection. That stuff is about as potent as muratic acid. I made sure to keep my hose close by to dillute quickly if a drop found its way to the wrong place. I used some plastic to cover up my trailer as that stuff can eat away at the paint. You want to work in small sections...apply, scrub, rinse, move. Wax when all is said and done.

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