Plumbing question

I have a shut of valve that has built up a bunch of blueand white gunk around the neck of the shut off handle. Is this something that can be cleaned off or is this a sign that it should be changed very soon?
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On Fri, 04 Feb 2005 18:20:06 -0600, No wrote:

That sounds like mineral deposits from a very slow leak around the valve stem. The water is evaporating about as fast as it oozes out, so you don't see the leak.
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