A study by the British firm Autoglym cleaning products, reveals that the stool, regardless of pH, is only part of the problem. The real culprit is actually sunlight, which warms the car paint and causes them to dilate. While the painting expands, the bird poop is dehydrated, so that when it's dark and temperatures drop, painting contracts forms around the hardened creating gift.
This, and nothing else, would cause the damage to the cars commonly used as a toilet by birds. The solution would in any case the same: moving the rag as soon as possible. Or failing that, go to the laundry.
Do not lie without knowing a thing.
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