Crappy plaster job. The gunnite is probably showing through.
It's all in the water generally not craftsmanship, When you add water to your pool you need to add metal which lock up particulates and allow the filter to clean them out. Also make sure your main drain is pulling most the water from the pool not the skimmers so particles do not settle out and stain
Stains are dirty marks that are not easily removed.
Skidmarks account for 84.7% of all brown marks in a toilet bowl . Followed in a distant second place by Iron in your water.
Time and bacteria can sometimes leave marks on coins.
Red, unless it has any stains or burn marks on it.
i really dont know
Nicotine and coffee stains. If they are definable actual marks and not just faded staining, then the lines can be caused by an antibiotic, or steriod. Like a nasal spray. Just keep brushing and go to the dentist, they will tell you what they definitely are, and likely will find they areable to clean it off.
Milton ... the cure all for impossible stains and marks
You can dampen a wash cloth and add a tiny bit of fabric soap and make tiny circular motions on any dirt or grass stains to release stains or marks.
It depends, sometimes if you do lots of exercise, and get all sweaty, brown wet marks appear in your pants, this is not a problem and is completely natural. Sometimes you are ill and it comes out without warning. Mostly, if you sit down most of the day, like at school, your pants go up your bum and get poo stains, this is rather common and there is nothing to worry about.
vascular malformation.Port-wine stains. These flat, pink marks progress to raised, dark red-to-purple grape-like lumps distorting the facial features, arms, or legs.
The male koala has a scent gland on his chest. This is how he marks his territory, rubbing the gland on tree trunks to let others know when it one of his home trees. The scent gland stains his chest fur a brownish yellow colour.
in a sentence
Your period..............maybe or skid marks
No. The marks are colloquially known as "skid marks" and are created from material not properly wiped away after defecation.
It depends where you live. In the USA punctuation is placed inside the quotes, like this: "My dog is brown." but in Britain, it is placed outside the quotation marks, like this "My dog is brown".
Use a dry-erase marker to remove sharpie marks from a desk or dry eraser white board.
apparently you can put hydrogen peroxide on the marks and leave it in the sun to dry. I'm trying that today!
the brown spots are safe to eat, but they need to be eaten soon.
you mark it with a black permanant marker, and if it marks black, it is fake. if it marks brown, it's real.
Oxy Clean usually gets pen stains out of clothing, you may have to let it soak for a couple of days. Answer Try spraying the area with hairspray and wash it again. If the marks are gone, then dry it.
Ermine marks refers to the dark brown or black spots a horse may have on the white part of the leg socks, or stockings. They are Zebra type marks on a horses legs.
dirty, wrinkled, smells, deodorant stains, inside out, stretched out & lipstick marks.
It is probably a house spider if it has light tan marks on it's back
Brown or black marks on fired pottery are usually caused by mineral impurities, usually iron.