On Thu, 25 Oct 2018 18:54:46 -0700 (PDT), John Kuthe wrote:

> On Thursday, October 25, 2018 at 8:48:35 PM UTC-5, Sqwertz wrote:
>> On Fri, 26 Oct 2018 00:57:48 -0000 (UTC), John Doe wrote:
>>
>>> This is a special kind of ugly. Maybe it's my water, maybe it's
>>> something else particular to me, but it happens with any brush I use for
>>> cleaning in the sink. And it does not take long.
>>>
>>> https://www.flickr.com/photos/27532210@N04/?
>>> If you have any trouble viewing that, I can make it easier to see.
>>>
>>> The first picture should be my Black & Decker battery-powered spinning
>>> scrubber attachment.
>>>
>>> What is that orange brownish crud? We have hard water but it's not lime,
>>> it does not come off after days of soaking in vinegar. I just tried
>>> soaking it in some heavy duty cleaner-degreaser "Purple Power" and that
>>> didn't work.
>>>
>>> So how do you get it off?
>>
>> Looks like it's having a bad punk hair day. What color was the
>> plastic when new? I'd say it's the pigments on the plastic that
>> are washing way, and some components of the pigment wash away
>> quicker than others, leaving you with some, but not all of the
>> colors used in the original pigment. Remember art class where
>> they taught you there werr really only 3 different colors? And
>> then science class where they told you a different set of
>> colors?
>>
>> Even without the color problem, it looks like a poor physical
>> design I can't imagine that being especially useful in the
>> kitchen. This doesn't connect to a drill, does it (when not
>> connected to a bicycle)? Just a hunch, but perhaps you have an
>> abnormal fixation with powered tools? :-) If it doesn't come off
>> with a medium duty 3M scrubber sponge and gentle elbow
>> grease...well, that doesn't happen.
>>
>> -sw
>
> My solution would be new brush!

It's those damned cheap Chinese-made brushes and pigments made by
your cheap Chinese landlord. Oil (or water) soluble dyes don't are
not a good fit for kitchen brushes.

-sw