[C320-list] My sailboat has developed a skin condition.

[Joe M]

I use barkeepers friend. I think it is just about the oxalic acid in these
cleaners. I use straight acid on my waterline stain end of season and hose
it away.

Joseph Morgani 2002 C320 hull #902

On Tue, Dec 28, 2021 at 7:12 PM Jeff Hare <Catalina at thehares.com> wrote:

> Davis FSR is amazing.  I second that.  One small container will be enough
> for years.Jeff
> -------- Original message --------From: David Prudden <dprudden at icloud.com>
> Date: 12/28/21  12:49 PM  (GMT-05:00) To: C320-List at catalina320.com
> Subject: Re: [C320-list] My sailboat has developed a skin condition. Try
> FSR (Fiberglass Stain Remover). It’s inexpensive and very easy to use. It
> contains Oxalic Acid, which removes stains from fiberglass. It works great
> on the waterline stains as well as other stains.David Prudden#787Sent from
> my iPhone> On Dec 28, 2021, at 11:52 AM, Troy Dunn <troutwarrior at gmail.com>
> wrote:> > Sounds like you are describing staining.   We get it on the
> front of the> hull due to tannins in the water.   We have to use a hull
> cleaner with acid> in it like Mary Kate On and Off to remove the
> staining.   We don’t get> staining where you describe but then again maybe
> yours is caused by some> other mechanism.> > FWIW> > Troy Dunn> Hull#514