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It is either Magnesiun oxide or Iron oxide

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Q: What is the dark brown ring around sink drain?
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Related questions

I have brown eyes with blue circle around them is that possible?

Yes, it is possible to have brown eyes with a blue ring around them. This is known as a limbal ring, which is a dark ring around the iris that can create the appearance of different colored circles around the pupil.


Is hazel green and brown?

Apparently. I have a light brown interior with a dark green ring and it is classified as hazel in my license.


Why do some girls have a dark ring around their anus?

Big poops!


What causes a blue ring around brown eyes?

High cholesterol


What is this reddish brown ring around and under the vaginal and upper thigh?

Maybe ringworm?


What is a brown ring test for analysis of nitrate anion?

The brown ring test is a qualitative test used to detect the presence of the nitrate anion. In the test, a sample containing nitrate ions is treated with freshly prepared iron(II) sulfate solution and concentrated sulfuric acid. A brown ring at the junction of the two layers forms if nitrate ions are present.


Is it an infection if you get a dark circle around your belly ring?

It may be. It could also just be the metal in the ring turning black and staining your skin. My advice, take that ring out and put in a gold or sterling silver ring!


How do you get a ring out of a sink drain?

If you know that the ring has not flushed into the main line, remove the p-trap from under the sink. The ring will most likely be in there. The p-trap is the u-shaped section of the drain pipe.


Why is good that Bilbo lost his matches?

because he ends up finding the ring when he is feeling his way around in the dark


Why is it good that bilbos lost his matches?

because he ends up finding the ring when he is feeling his way around in the dark


Seen in Idaho small bird brown body bright blue head?

It could be a bird in the pheasant family. Ring-neck pheasants have primarily brown bodies with some mottling of colors with a blue to blue/green head. One variation of the ring-neck is called an Afghan which looks like the ring-neck but has no white ring on the neck.


How do you get rid of the red ring around my drain?

I think You Should Unplug Everthing And Let It Cool Down Then Plug It Back In.Hope This Helps