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Subject: TWL: Re: Home made "On & Off"
From: Mel Knott (hknott4@XXX.XXX)
Date: Sat Nov 02 2002 - 16:13:12 EST
----- Original Message -----
From: "Rick Quarles" <rquarles@XXX.XXX>
> All that's needed to remove the 'waterway moustache' is the oxalic acid.
> My observation on my own boat, where I get it mostly on the swim
> platform, is that it is probably iron oxides...
Hi, Rick. They are more likely organic stains. Two sources are red algae
(dinoflagellates) which, when they "bloom", cause the water to become a dark
mahogany color. Another source is blackwater areas that have a lot of
tannins in the water. Either way, oxalic acid works well. The absolute
quickest working stuff I've seen is MaryKate's On & Off which, I believe
contains Phosphoric acid, muriatic acid, and oxalic acid. But, then coming
up with a home made version of this stuff is what started this thread. ;o)
-Mel
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