Mysterious Black Spots

riverfisher · 10-18-2006, 07:03 PM

This is "Artillery Fungus". I've spent all season trying to remove these spots with a cabinet full of failed products. I called in two pro's and both came up with the same recommendations: wet sand with 1000 grit wet/dry sandpaper followed by buffing with 3M Super Duty Rubbing Compound, followed by finish buffing, followed by a good waxing. This is working, little by little. I have a 22 ft boat with a roof and these spot cover it all.

Keep your prize possessions away from wood chips or wood chips away from your house and other prized possessions. I'd hate to see anyone go through this.

Thanks to those who lead me in this direction.

ITD · 10-19-2006, 07:59 AM

Quote:

Originally Posted by riverfisher

This is "Artillery Fungus". I've spent all season trying to remove these spots with a cabinet full of failed products. I called in two pro's and both came up with the same recommendations: wet sand with 1000 grit wet/dry sandpaper followed by buffing with 3M Super Duty Rubbing Compound, followed by finish buffing, followed by a good waxing. This is working, little by little. I have a 22 ft boat with a roof and these spot cover it all.

Keep your prize possessions away from wood chips or wood chips away from your house and other prized possessions. I'd hate to see anyone go through this.

Thanks to those who lead me in this direction.

RF, I found that Simple Green and a little elbow grease worked. Use a cloth (I used cloth diapers), let the simple green soak for a bit. A fingernail or piece of soft wood worked to get the stubborn ones off, followed by the cloth. Worked for me.

Good luck.

Long Island Baba · 10-22-2006, 10:13 AM

I've got those spots all over my boat and vinyl siding. I always thought it was bat poop or something of that sort.

First, you definitely need fingernails! It's pretty tedious but for the boat I sprayed Fantastic on the spot to soften it and then rubbed like mad with fingernail to get it off. 85% of them come off like this. The rest have to be scraped off (scraper wrapped in fabric so as not to damage the fiberglass) and then spray and wipe residue away.

For the house I used gasoline. Dab onto rag and rub away. Then, of course, soapy wash it off.

Hate 'em!!!!!

10-18-2006, 07:03 PM	#1
riverfisher Junior Member Join Date: Jun 2006 Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts	Mysterious Black Spots This is "Artillery Fungus". I've spent all season trying to remove these spots with a cabinet full of failed products. I called in two pro's and both came up with the same recommendations: wet sand with 1000 grit wet/dry sandpaper followed by buffing with 3M Super Duty Rubbing Compound, followed by finish buffing, followed by a good waxing. This is working, little by little. I have a 22 ft boat with a roof and these spot cover it all. Keep your prize possessions away from wood chips or wood chips away from your house and other prized possessions. I'd hate to see anyone go through this. Thanks to those who lead me in this direction.

10-22-2006, 10:13 AM	#3
Long Island Baba Senior Member Join Date: Apr 2006 Posts: 78 Thanks: 1 Thanked 14 Times in 11 Posts	More cleaning tips I've got those spots all over my boat and vinyl siding. I always thought it was bat poop or something of that sort. First, you definitely need fingernails! It's pretty tedious but for the boat I sprayed Fantastic on the spot to soften it and then rubbed like mad with fingernail to get it off. 85% of them come off like this. The rest have to be scraped off (scraper wrapped in fabric so as not to damage the fiberglass) and then spray and wipe residue away. For the house I used gasoline. Dab onto rag and rub away. Then, of course, soapy wash it off. Hate 'em!!!!!

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