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Author Topic:   Super tough stain
newt posted 10-15-2002 01:24 PM ET (US)   Profile for newt   Send Email to newt  
I have a black stain rubbed into the non-skid that will not come out. Here is what I have tried:

1. Looking at it hoping it will clear itself.
2. regular car wash soap
3. simple green
4. Soft Scrub with bleach
5. FSR
6. Mary Kate On/Off (My skin is still burning)
7. Oxi-Clean (wife uses it for laundry)
8. Navel Gelly
9. Armor All general cleaner.
10. Heavy duty rubbing compound with a stiff brush.

What's next? I have exhausted my arsenal!

Chap posted 10-15-2002 02:19 PM ET (US)     Profile for Chap  Send Email to Chap     
Make a paste out of Bar Keepers Friend/water and use a toothbrush. Let it sit a tad.


newt posted 10-15-2002 02:34 PM ET (US)     Profile for newt  Send Email to newt     
I will try barkeepers friend as soon as I can find it. Anyone know where to buy it here in the North East?
skred posted 10-15-2002 02:35 PM ET (US)     Profile for skred  Send Email to skred     
Should be available at any large grocery store....
PFSQUAN posted 10-15-2002 04:21 PM ET (US)     Profile for PFSQUAN  Send Email to PFSQUAN     
Newt: If you can't find it let me know and I will send you a can.

Did you try acetone?

lilgypsy2000 posted 10-15-2002 07:41 PM ET (US)     Profile for lilgypsy2000  Send Email to lilgypsy2000     
There is another product that you may try. "ZUD". It is much like "BARKEEPERS FRIEND" Was this a stain that came with the boat or one that happened while the boat was under your care? Knowing what caused the stain would be helpful in finding the cure that works
11 footer posted 10-15-2002 08:09 PM ET (US)     Profile for 11 footer  Send Email to 11 footer     
I also have a stain in my non skik,
It is from touch up paint for a Dodge pickup,a black pickup. I have tryed on/off water line remover with no luck. I have also tryed paint thinner.


John O posted 10-15-2002 09:09 PM ET (US)     Profile for John O    

Barkeepers friend at most hardware stores, just bought it along w/ Zud at Ace Hardware in Wakefield. Shoukd be available in most home depots or even grocery stores

kingfish posted 10-15-2002 09:16 PM ET (US)     Profile for kingfish  Send Email to kingfish     
Second (third) the acetone. Also StarBrite Hull Cleaner, but if On/Off didn't do it, that might not either.
newt posted 10-15-2002 10:15 PM ET (US)     Profile for newt  Send Email to newt     
I havent tried the barkeeps yet for a couple of reasons. First, the local supermarket, West Marine, and Walmarts didn't carry it, and second, I have tried both Oxiclean (oxalic acid?) and On/Off (also acids). I figured the acid route wasn't going to cut it.

I just don't want to use anything too powerfull, and damage the gelcoat.

The stain is my baby (didnt come with the boat). It may be a mixture of gasoline (I learned the hard way to always keep the vent open!) and some other crap. The gas/crap mixture was proffesionally ground in with my shoes!

I'll try the acetone, and then hunt down some barkeepers. How about gasoline?

Thanks for the help!

raygun posted 10-15-2002 11:15 PM ET (US)     Profile for raygun  Send Email to raygun     
just get some oxalic acid. It's what's in that other stuff but no BS. sprinkle it on the wetted area and let it work. bristle brush. hose. should be available at any marine supply. never had a stain it wouldn't kill on my montauk's non-skid.
pequotman posted 10-16-2002 10:15 AM ET (US)     Profile for pequotman  Send Email to pequotman     
if it is petroleum based try Greaze_Off (sp?) you can get it any West marine. Works great for oil/grease/gas realted stains
hooter posted 10-16-2002 11:15 AM ET (US)     Profile for hooter    
Advise caution wid acetone. Fer one, it's a powerful solvent and can start to friggin' melt yer non-skid if left on more'n a couple dozen seconds. Fer two, acetone is the base for lots of paint removers. Spill some on yer varnished teak and regret it. And fer three, remember Richard Pryor. He went up in smoke usin' acetone durin' a "chemistry experiment" some years ago. The stuff is unbelievably flammable. Further advise Barkeepers Friend as the way t'go.
lhg posted 10-16-2002 03:43 PM ET (US)     Profile for lhg    
I can't believe no one has mentioned Mineral Spirits, the basic cleaner for anything petroleum/grease/tar/adhesive based. I keep this permanently in my tow vehicle, and manage to go through a qt can of it yearly. The oxalic acid products are not good for cleaning oil, tar & heavy grease. Great for getting road grime and tar/grease off the tow vehicle also.
specktrout posted 10-21-2002 02:46 PM ET (US)     Profile for specktrout  Send Email to specktrout     
I am not sure if our stains are exactly the same, but I had a similar experience in the back of my montauk after I overfilled the gas tank. The gasoline on the deck combined with the rubber soles on my brother's shoes and the bottom of his shoes litterally melted right to the deck. I was left with a giant mess that none of the acid based deck/fiberglass cleaners would remove. I even tried abrasives such as ajax. I ended up using a low pressure pressure-washer and this was the only thing that worked. I know there has been some concern regarding pressure washing gel-coat as some think it will force moisure into the gel-coat and possible causeing blistering, but this was the little 100 dollar deal from wal-mart which is about as strong as the jets at the car wash.
weekendwarrior posted 10-22-2002 02:48 PM ET (US)     Profile for weekendwarrior  Send Email to weekendwarrior     
I've used StarBrite brand deck whitener to remove some shoe skuffs and it removes almost everything else too. It's got oxalic acid in it so that could be the active ingredient I'm not sure (don't have the bottle with me). Anyway, if a friend or neighbor has some then it's worth a try. Just use a brush and try not to get it on your skin (burns a little).
Jiles posted 10-22-2002 08:37 PM ET (US)     Profile for Jiles    
I have posted this information no less then TWO times on this forum. For some reason, nobody seems interested in this product. I detail cars, trucks, and boats. The only product I use, 90% of the time, is SPRAY--NINE. Along with being the best cleaner I have used, it disinfects. I have never been disappointed in this product. It cleans carpet, vinyl and cloth upholstry, fiberglass etc. Everything but glass. I have NO connection whatsoever with this company, but I have been using spray nine for over twenty years. I am not saying it will clean the stain, but like I said, it has never disappointed me. I buy it, by the gallon, at Car-Quest auto. It is available at other parts houses as well. It cost about $4.00 a quart. It is also the only cleaner my wife uses in the kitchen and bath. ---GOOD LUCK--
ShrimpBurrito posted 10-23-2002 12:28 AM ET (US)     Profile for ShrimpBurrito  Send Email to ShrimpBurrito     
Newt - try Ospho. It's a green liquid and is likely available from some of your better hardware stores with more varied inventory. Active ingredient is phosphoric acid. I've used it to clean all kinds of stains off the gel coat, rust stains off the rails, and grease and grime off the engine.
dauntlass 18 posted 10-23-2002 10:08 AM ET (US)     Profile for dauntlass 18  Send Email to dauntlass 18     
Jiles you are right Spray Nine is a great cleaner.I retired from the auto service business we used Spray Nine to clean grease marks on soft trim, seats etc.for many years.I do think Bar Keepers friend may be a better choice for anti skid surfaces followed by Woody Wax.Bar Keepers Friend web site is you can buy it on line.
Jiles posted 10-23-2002 10:47 AM ET (US)     Profile for Jiles    
THANKS-- dauntlass18, I will try Bar-Keepers Friend. If I can find a product that works better, I will use it. I just restored a 13 that set outside, under trees, for three years. You can imagine the leaf and rust stain, along with the mold and mildew. I first used diluted clorox and then used Spray-9. It took a lot of rubbing, with brushes, but it looks practically new, after I polished it. I personally don't like to use acid products if I can clean ototherwise.
kgregg posted 10-23-2002 11:11 AM ET (US)     Profile for kgregg  Send Email to kgregg     
Will any of above mentioned cleaning products help restore dirty/yellowed 11 yr old desert tan vinyl to something close to original color/condition? Thanks.
EddieS posted 10-23-2002 11:38 AM ET (US)     Profile for EddieS  Send Email to EddieS     
For stains that seem to have been absorbed into the gel coat try using a rag soaked in hydrogen peroxide. Cover the affected area with the rag and let it sit overnight. I have used this method a number of times on fiberglass spa's, tubs and showers. This will often work when the acids wont! I had some stains that would not come off using hydrophosphoric acid yet came off with no scrubbing using the hydrogen peroxide.


Jiles posted 10-23-2002 12:26 PM ET (US)     Profile for Jiles    
kgregg----Spray-Nine is a multi-purpose CLEANER and DISINFECTANT. They have a website. I have never had it restore color, it only cleans it. My 13 B.W. is desert tan and as I mentioned above, after I cleaned the inside, I used marine polish on all but the non-skid surface. It looks close to new. The cleaner has so many uses, you are not wasting your money. Just don't let your wife use it, because you will have to buy more.
rmart posted 10-23-2002 03:28 PM ET (US)     Profile for rmart  Send Email to rmart     
What about removing varnish that has spilled into non-skid? I have tried everything to remove this poor varnish work from a prior owner.....mineral spirits, acetone,...etc. Nothing has worked to date.

I have been told that a heat gun might work but have yet to try. Any other suggestions?

rmart posted 10-23-2002 03:28 PM ET (US)     Profile for rmart  Send Email to rmart     
What about removing varnish that has spilled into non-skid? I have tried everything to remove this poor varnish work from a prior owner.....mineral spirits, acetone,...etc. Nothing has worked to date.

I have been told that a heat gun might work but have yet to try. Any other suggestions?

dauntlass 18 posted 10-23-2002 06:26 PM ET (US)     Profile for dauntlass 18  Send Email to dauntlass 18     
kgregg I have used a product called"SEM color Coat"on my Whaler white upholstery to cover leaf stains.The product comes in many colors the sailcloth white #15603 is a perfect match for new Whalers with white vinyl.I have used in a Dantlass and Conquest the match is perfect,but you must spray the whole piece of upholstry.The product is vinyl paint in aersol cans and can be bought in auto body supply stores it comes in many colors.
lhg posted 10-23-2002 06:42 PM ET (US)     Profile for lhg    
I have found that a thin, sharp bladed screwdriver will scrape and pop dried varnish off the non-skid. Then follow up with a little one-step teak cleaner by Amazon. The reason teak cleaner gets rid of light varnish residue is that teak oils all have varnish (resin) added to them, and any teak cleaner has to be able to cut this varnish.
newt posted 10-29-2002 04:26 PM ET (US)     Profile for newt  Send Email to newt     
Well, I tried mineral spirits and ZUD over this past weekend with no luck. The boat is now covered up, so this has turned into a spring project.

Thanks all for the suggestions.

tabasco posted 10-29-2002 05:09 PM ET (US)     Profile for tabasco  Send Email to tabasco     
Had the same stain on my non skid this summer. Turned out it's a type of tar from the launch ramp.

Tired everything couldn't remove it.

Here is how I finally removed it.

PRESSURE WASHER ......came right out with my 2400PSI pressure washer.

Good luck..... hope it works for you.


kingfish posted 10-30-2002 09:19 AM ET (US)     Profile for kingfish  Send Email to kingfish     

If you haven't tried acetone yet, *try* it. With all due respect to Hooter's concerns over its use, I have used it successfully to remove a stain in my non-skid that nothing else would touch. Simply be careful not to splash it on finished wood, and don't leave it puddled and wet for more than a minute or two without wiping it up.

I don't know how big your stain is, but probably something in the order of 1/2 teaspoon would cover and clean an area of 2 or 3 square inches (maybe larger). Either take a heavy rag and saturate one end with acetone then wipe and scrup with the wet rag followed by a dry rag, or carefully pour a very small amount at a time (like 1/2 teaspoon) directly on the stain then scrub and wipe up any residue. Spread in either of those two ways, any remaining acetone would evaporate *way* before it could cause any damage to the non-skid itself.


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