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Catalina/Capri 25/250 Sailor's Forums

Catalina 25 Specific Forum

Red coloration on non skid areas

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trent
1st Mate

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USA
44 Posts

Initially Posted - 06/06/2004 : 15:22:21

Greetings,

I have a discoloration on my 25 on the non skid. It is reddish in color and will not come off. Have I gone through the gel coat or is it some kind of sunburn?? If I've gone through the gel coat what is the fix?

Thanks - Trent

Edited by - on

Sea Trac
Master Marine Consultant

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Vanuatu
1357 Posts

Response Posted - 06/06/2004 : 15:45:30

Possibly tantric acid from leaves? Have you tried oxalic (sp?) acid?

Edited by - on

Lightnup
Master Marine Consultant

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USA
1016 Posts

Response Posted - 06/06/2004 : 18:21:10

I have the same thing on a patch of the non-skid near the front hatch on my C25. Almost looks like the white color has worn off. Having just purchased the boat, I haven't had time yet to research what to use on it.

Steve

Edited by - on

oldsalt
Admiral

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USA
578 Posts

Response Posted - 06/06/2004 : 20:37:13

Might this be some sort of fungus or mildew?

Edited by - on

OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 06/06/2004 : 23:09:53

If the gel coat was wearing thin you would more likely see a dark grayish/green color.

If a non-skid repair is called for there's an article in the current issue of EPOXYWORKS magazine by West Systems.

http://westsystem.com/ewmag/ - see the article titled Repair non-skid and get professional results

Good luck and let us know what it turns out to be!

Edited by - OJ on 06/07/2004 09:23:32

frogger
Navigator

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USA
184 Posts

Response Posted - 06/06/2004 : 23:32:24

Sounds like Georgia red clay. Very difficult to remove.

Edited by - on

trent
1st Mate

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USA
44 Posts

Response Posted - 06/07/2004 : 10:32:21

So I'm not crazy, good. I have no clue what Georgia red clay is but the boat is from Houston if that helps. She has sat in a slip since in Oklahoma. This discoloration is much more pronounced on one side. I don't want to Poliglow it "in".

Edited by - on

Lightnup
Master Marine Consultant

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USA
1016 Posts

Response Posted - 06/07/2004 : 11:51:03

Trent - That doesn't necessarily mean you're not crazy, it just means that if you are, you're not alone.

Wind Point has been in Texas and South Florida waters only so I know it's not red Georgia clay. Hope it's not Bondo.

Steve

Edited by - on

trent
1st Mate

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USA
44 Posts

Response Posted - 06/07/2004 : 11:59:28

Really don't think it is bondo. If it is then a genius with great dexterity and the eye of a hawk did the work.

Well I'm very curious now that I've stumped this list. I'm also curious since another person reports this. My girlfriend was sure that we'd gone through the finish and I was starting to believe that..

I have some stain remover on the way from sailnet so we'll see how that does on it.

Edited by - on

RichardG
Admiral

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USA
990 Posts

Response Posted - 06/07/2004 : 12:01:51

Before you do anything drastic, I would try a good hull cleaner on it first. [url="http://www.boatersworld.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=10051&catalogId=10051&langId=-1&productId=659142"]On & Off[/url] seems to work well on discolorations like that. It's kind of strong, so make sure to rinse well anything it gets on.

Edited by - on

Lightnup
Master Marine Consultant

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USA
1016 Posts

Response Posted - 06/07/2004 : 12:23:31

I just went down to the boat and I can tell you 5 things that DON'T work:

Tilex
Oil Eater cleaner/degreaser
Soft Scrub
Star-Brite mildew remover
409 glass and surface cleaner.

The red spots on my boat are just aft of the anchor locker, starboard side, on and along the edge of the non-skid surface.

Steve

Edited by - on

trent
1st Mate

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USA
44 Posts

Response Posted - 06/07/2004 : 12:27:15

Should have mentioned that Soft Scrub doesn't even touch it, whatever it is. Could have saved you some time trying that one.

I had normal black spots in the cockpit that came off with a scrub brush easily. Whatever this is doesn't seem like it will ever come off.

Mine is in the same place but sounds like it is more wide spread.

I'll try to go and get some On & Off. Great tip, I've never heard of that one.

Edited by - on

austin72
1st Mate

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48 Posts

Response Posted - 06/07/2004 : 12:43:51

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Lightnup
 
The red spots on my boat are just aft of the anchor locker, starboard side, on and along the edge of the non-skid surface.

Steve
<hr height="1" noshade id="quote"></blockquote id="quote">

OK, this may be a dumb thought but since I have a ton of those, is it in an area where a mooring line could have leached pigment and stained the boat?

Edited by - on

trent
1st Mate

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USA
44 Posts

Response Posted - 06/07/2004 : 14:23:16

Actually that's a really good guess but looking at it I don't think so. There is some of this discoloration on the other side but it is minor. Weirdest thing, been driving me crazy trying to think what could cause it.

Edited by - on

Kip C
Navigator

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USA
243 Posts

Response Posted - 06/07/2004 : 17:06:32

Possibly your stain is rust, from something that sat on the deck for to long? I'd recommend a product called Cleaning Detail by MaryKate and a green scrub pad. On-Off is also a MaryKate product, but is for limited use( requires rubber gloves and makes your nose hairs curl). Cleaning Detail is for the whole deck and is biodegradable. I swear by the stuff. Good luck!

Edited by - Kip C on 06/07/2004 17:17:32

Lightnup
Master Marine Consultant

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USA
1016 Posts

Response Posted - 06/08/2004 : 10:31:44

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Austin72 OK, this may be a dumb thought but since I have a ton of those, is it in an area where a mooring line could have leached pigment and stained the boat?<hr height="1" noshade id="quote"></blockquote id="quote">

I just spoke with the PO and he says the 150 headsail has red sheets (I haven't taken the jib or jenny out of their bags yet so didn't know that). Hmmmm. If that is where the discoloration came from, you'd think it would be on port and starboard.

On the other hand, there is about a 1' by 2' dark section (not red) on the front corner of the cabin, just above the deck, where the gelcoat has been worn down by the running rigging. It is only on the starboard side, though, not on the port. Maybe this guy only knew how to sail on a starboard tack?

Steve

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John Mason
Admiral

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USA
687 Posts

Response Posted - 06/08/2004 : 14:39:17

"Tantric" acid - that'd be some powerful stuff!

Tantric - A ceremonial treatise related to Puranic and magic literature; esp., one of the sacred works of the worshipers of Sakti.

Edited by - on

Sea Trac
Master Marine Consultant

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Vanuatu
1357 Posts

Response Posted - 06/08/2004 : 23:18:02

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by John Mason
 "Tantric" acid - that'd be some powerful stuff!

Don't have time to look up what I meant right now, so let's just chalk it up to a Freudian slip.

Edited by - on

trent
1st Mate

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USA
44 Posts

Response Posted - 06/09/2004 : 14:26:32

Hah, J.B. I think you meant to say tannic acid...

I bought some Davis Fiberglass stain remover. We'll see what that gets me. I think it is primarily oxalic acid.

Thanks for the advice all, I'll report in with my success or failure so Steve can glean something from it hopefully.

\trent

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 06/09/2004 : 23:03:30

"I bought some Davis Fiberglass stain remover"

Works very well on most common grunge... won't touch other things like Cetol drippings !
As far as the grunge is concerned, you'll probably be amazed at how white your boat really is after the Oxalic acid treatment.

Note that it leaves the fiberglass somewhat dulled and you will probably want to wax or poly-glo the surfaces you've treated.

Edited by - on

RL
1st Mate

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USA
76 Posts

Response Posted - 06/10/2004 : 13:31:55

My 78 has the same red stains. The stains are only on my non skid plates. I think that rules out stain from the lines, or I'd see the same red stain on the white portions around the stained plates. I was assuming that the stain was the undercoat showing through and the only cure was to repaint the plates.

I am very intersted in anyone's solution to this. I've scrubbed, with every over the counter cleaning agent I know of and I haven't made a dent. I've looked at other 25s of my vintage and some have the stains and others don't.
If the cure is to repaint, well that might be the next winter project.

Edited by - on

Derek Crawford
Master Marine Consultant

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USA
3324 Posts

Response Posted - 06/10/2004 : 14:39:44

"Maybe this guy only knew how to sail on a starboard tack?"
Well, at least he'd have ROW all the time (unless he was racing!)

Derek

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trent
1st Mate

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USA
44 Posts

Response Posted - 06/10/2004 : 15:38:10

RL,

I'll post what I find out tomorrow. Apparently I'm barking up the wrong tree with the Davis stuff. Darn.

I did spill some Cetol a couple of weeks ago, how'd you guess? What takes that off? Acetone?

\trent

Edited by - on

Sea Trac
Master Marine Consultant

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Vanuatu
1357 Posts

Response Posted - 06/10/2004 : 16:20:23

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by trent
 Apparently I'm barking up the wrong tree with the Davis stuff. Darn.<hr height="1" noshade id="quote"></blockquote id="quote">
Perhaps not, there's a reason your marina is named REDbud, after all.

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ChrisDara
1st Mate

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USA
88 Posts

Response Posted - 07/08/2004 : 14:10:45

I think it is a stain from the dye in the lines. I just bought a '79 Catalina 25 and it has the same thing. The furling jib line is red. The previous owner also got varnish on the gelcoat. It was really in the gelcoat badly.

I got that out with a product called Interstrip 299E. Here it is on
West Marine's website:

http://www.westmarine.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=10001&langId=-1&catalogId=10001&productId=72324

It is a paint thinner that is safe for gelcoat. It's pretty expensive but it works. I scrubbed it out with a brass brissle brush. If it got the varnish out I would suspect it would get anything out. It takes a little time but works. You can try it or I'll reply when I get the red out of my non-skid.

Hope that helps!

Edited by - on

frich
Captain

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USA
418 Posts

Response Posted - 07/11/2004 : 21:21:32

Just had the same thing happen on my boat. I believe it was some type of reaction to a cleaner I was using,
What I did was mix some oxalic acid with water, a bit to the strong side. Scrubbed very easily and rinsed. Within a day the stain was completly gone,

Frank R
84 Sk C25

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