What is this and how to remove

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fhuici

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Hey folks, looking for some assistance here. I recently purchased a car that the previous owner had it ceramic coated. I live in south Florida and from time to time, I see these little yellow spots. When washing it, some of the spots come off but some require a lot of pressure. What would be the best way to remove without damaging the ceramic coating. Should I clay it, use a chemical decontaminate, etc.
Also what soap should I be using? Any assistance would be greatly appreciated.
 

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Artillery Fungus & Your Car | DiFiore's Auto Detailing

Sphaerobolus Fungi, or artillery fungus, can attach itself to surfaces like cars and is difficult to remove. The fungus is most prevalent in spring and fall when temperatures are between 50 and 70 degrees. Early removal through hot water power washing is recommended to prevent staining on car surfaces.
 
Bosko, you think that's artillery fungus? I was going to ask the OP if they were more orangey than yellow, because it looks to me like it's likely iron particles. In that case a decon product like Iron-X or one of the many others would be indicated. My favorite right now is the Stoner Odorless Iron Remover. You can spray that on, let it sit a little, and agitate the spots off, if they indeed are brake/rail dust or other iron fallout.
 
Hey folks, thanks for the replies. They are sort of orange in color. I’ll try and get a better pic.
 
Setec Astronomy said:
Bosko, you think that's artillery fungus? I was going to ask the OP if they were more orangey than yellow, because it looks to me like it's likely iron particles. In that case a decon product like Iron-X or one of the many others would be indicated. My favorite right now is the Stoner Odorless Iron Remover. You can spray that on, let it sit a little, and agitate the spots off, if they indeed are brake/rail dust or other iron fallout.
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Hot water will tell 😉
 
fhuici said:
Hey folks, thanks for the replies. They are sort of orange in color. I’ll try and get a better pic.
Click to expand...
I missed the orange in color comment.....could be rail dust...if so iron remover like S-A mentioned..
 
Would like to add that it’s only on the flat surfaces. Not the vertical ones like the doors or fenders. Not sure if that makes a difference.
 
Well, if you have any color-changing wheel cleaners etc., it's a pretty quick test, spray some on and see if it bleeds.
 
Setec Astronomy said:
Bosko, you think that's artillery fungus? I was going to ask the OP if they were more orangey than yellow, because it looks to me like it's likely iron particles. In that case a decon product like Iron-X or one of the many others would be indicated. My favorite right now is the Stoner Odorless Iron Remover. You can spray that on, let it sit a little, and agitate the spots off, if they indeed are brake/rail dust or other iron fallout.
Click to expand...
How "odoroless" is Stoner? I realize that pretty much all the iron decon products use the same, stinky active ingredient (or close derivative) and even those that blend in a scent just make it smell like scented awful instead of just awful. What's your assessment of the smell of Stoner? I honestly don't care so much DURING application it's storing the damn thing afterwards; I'm at the stage where I'd just as soon buy 1 bottle (normally 2 vehicles worth of use) and pitch the leftover instead of storing it for next use.
 
I used to see similar marks on my white wagon, where I was parking at work there was a few eucalyptus trees, they drop sap on warm days that can drift a bit on the breeze. I found that the cooler the paint the harder it was to remove, so I tried to wash with warmer water, during the afternoon, but in the shade. Similar results though, some were easy to remove, some took more effort, but I was only using basic car washes back then, Meg's Gold Class and Mother's California Gold from memory.
 
Karl_in_Chicago said:
How "odoroless" is Stoner? I realize that pretty much all the iron decon products use the same, stinky active ingredient (or close derivative) and even those that blend in a scent just make it smell like scented awful instead of just awful. What's your assessment of the smell of Stoner? I honestly don't care so much DURING application it's storing the damn thing afterwards; I'm at the stage where I'd just as soon buy 1 bottle (normally 2 vehicles worth of use) and pitch the leftover instead of storing it for next use.
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Completely. It does not use any thioglycolates. They have a patented (purportedly) chemistry that is different. It works more slowly and turns orange instead of purple. They also have a non-color changing version of it, because apparently the orange will stain unsealed concrete.
 
Yeah, could be sap or bee poo.

To add about the Stoner product, they had a good YouTube explanation about how iron removers work, saying that nothing actually dissolves an entire iron particle that's embedded in the paint in the time we leave it on the car, and that what you want the iron remover to do is loosen it so it's not stuck in the paint anymore, and can be removed by claying or (wash) agitation. The theory being that if it's not loosened the clay may only scrape off the top part and leave the rest "below surface".
 
Setec Astronomy said:
Completely. It does not use any thioglycolates. They have a patented (purportedly) chemistry that is different. It works more slowly and turns orange instead of purple. They also have a non-color changing version of it, because apparently the orange will stain unsealed concrete.
Click to expand...
Thanks (and for the additional info in the follow up post)! I'll put that on my list.
 
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