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Old 03-12-2014, 06:08 PM   #1
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Hull cleaner

Requesting opinions on the best cleaner for the ICW moustache (stain) on the bow. I know this has been discussed before, but I canít seem to locate it in the bowels of the archives. Thanks. KJ
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Old 03-12-2014, 06:15 PM   #2
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Oxalic Acid has my vote.
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Old 03-12-2014, 06:15 PM   #3
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A lot of people swear by Sno-Bowl, maybe that has oxy in it (?). Others, a light acid like most of the commercial hull cleaners. When you are done, apply Rejex so all you have to do in the future is hose it off or at worst use a very soft brush. Gelcoat takes the worst of it vs the hard painted hulls, at least that is my observation. Here is a pic of my boat in Massachusetts, after having been from Baltimore to Key West and up to MA..

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Old 03-12-2014, 06:48 PM   #4
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People told me to stop using the harsh acids in the toilet bowl cleaners and just use lemon juice...well I tried it last time.

After about 1/2 hour of multiple applications and letting it sit for 10 minutes or so...yes the "stache" disappeared.

"The Works" toilet bowl cleaner at any dollar store does it in minutes...it may be harsher...but the results are instant and a quick rinse and some new polish/wax can be done in a fraction of the time the lemon juice treatment.

If I had a brand new gel coat/paint, I may stick with the lemon juice...but for my old tub...the satisfaction of time and quickly applying protection won out over the juice....
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Old 03-12-2014, 09:19 PM   #5
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Amazon.com: MaryKate On and Off - Hull and Bottom 1 Gallon Cleaner: Sports & Outdoors

Best stuff out there! Get a soft bristle brush with a long handle. Poor the above in a bucket full strength. Dip brush in brush, let drain, then apply to mustache. Bingo, Bango, the hull will be clean shaven. No scrubbing needed.
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Old 03-12-2014, 09:53 PM   #6
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Quote:
Originally Posted by KJ View Post
Requesting opinions on the best cleaner for the ICW moustache (stain) on the bow. I know this has been discussed before, but I canít seem to locate it in the bowels of the archives. Thanks. KJ
What's with your waters?
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Old 03-12-2014, 09:54 PM   #7
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Tannins
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Old 03-12-2014, 09:59 PM   #8
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Spend some time boating in the crystal clear waters of the Great Lakes and you will never have to shave...
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Old 03-13-2014, 12:08 AM   #9
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Be sure to wax after you clean with the light acid solution, and it'll stay clean for a long time.
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Old 03-13-2014, 07:48 AM   #10
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Mary Kate is pretty close to the Dollar store cleaners (a few more acids thown in maybe for different chemical removal)...but for organic stains like the moustache...any of the porcelain bowl acid cleaners for a buck or two will do the job just the same (my marina's price on Mary Kate $14.95)
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Old 03-13-2014, 07:59 AM   #11
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Quote:
Originally Posted by Island Sunset View Post
Be sure to wax after you clean with the light acid solution, and it'll stay clean for a long time.
The polymer sealants like Rejex (which I far prefer, Zaino and Starbrite also get good reviews, some like AwlCare) are far superior to any wax for this purpose. Years plying the entire AICW and Carolina waters have taught me this. However they are only as "shiny" as the surface below them, so make sure it is clean.

The tannins are caused by the swamps, especially the Water Cypress, but also other trees and plants that grow and die in them. In North Carolina, the hog farms (especially) and wood processing plants added their share, but various forms of Riverkeeper programs have made a huge dent in that.
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Old 03-13-2014, 09:33 AM   #12
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Mary Kate Hull Cleaner
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Old 03-13-2014, 10:20 AM   #13
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The MSDS for Marykate On and Off indicates the main active ingredients are hydrochloric acid and phosphoric acid....very aggressive for gelcoat. Starbright's hull cleaner is primarily Oxalic acid....wood bleach at your local hardware store.
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Old 03-13-2014, 12:42 PM   #14
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Spend some time boating in the crystal clear waters of the Great Lakes and you will never have to shave...
No shaving for sure, but we get a chalky build up on the bootstripe and part of the hull from the minerals in the water here, especially on the side that faces out to the river and gets wave action.

I found Lime-Away to work like nobody's business on this type of discloration. Spray it on, let it sit, then hose it off.
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Old 03-13-2014, 01:59 PM   #15
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Quote:
Originally Posted by Great Laker View Post
Spend some time boating in the crystal clear waters of the Great Lakes and you will never have to shave...

Huh, I think I'll stay in South Carolina, for now. KJ


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Old 03-17-2014, 01:14 PM   #16
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MaryKate ON AND OFF. Works well on spider poop too.
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