How remove black tea stain

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I LOVE Earl Grey teas.  BUT!.....

How does one remove the stain they leave?  I have it in all my tea
cups, some which are collectible Otagiri's.  I know that elbo grease,
a dobi pad, and some dish detergent will do the job, but some of my
Otagiri's have gold around the top edge and I don't like using
abrasives on that thin layer of gold.  Any suggestions?

TIA
nb

Re: How remove black tea stain
On 18/06/2015 05:07 pm, notbob wrote:
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Bicarbonate of Soda

Re: How remove black tea stain

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Got plenty of that.  I'll give it a shot.  Thnx, Jon.  ;)

nb

Re: How remove black tea stain

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Bleach.


Re: How remove black tea stain


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OK.  I've tried bleach, oxi, bicarb, etc.  All they do is bleach the
stain white.  Bicarb doesn't even do that.  Problem is, the material
leaves a glaze of stain which is still there, it's jes bleached
white, so looks gone.

I've found not bleaching the stain and actually removing the thin
patina of stain with mild abrasives to be a better solution.  I use a
dobie pad.  I think my best defense is to not drink blk teas or even
use my more valuble cups.  ;)

Thanks fer the help.
nb  

Re: How remove black tea stain

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I try to stay away from abrasives.  By definition, they tend to scratch
and if getting tea stains off a smooth surface is tough, then getting tea
stains off an uneven, abraded surface is mission impossible.  

Two abrasives I do use are -
1) salt and rinse liberally
2) toothpaste and rinse liberally

Off the wall thought, make a paste of Biz (washing machine detergent) and
water, then soak overnight . . .  or longer.  Apply elbow grease, then
wash with very hot water and soap.


Re: How remove black tea stain
On Thursday, June 18, 2015 at 12:07:18 PM UTC-4, notbob wrote:
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I use a paste of bicarb and dish washing liquid. the bicarb provides the mild abrasive without being to abrasive.  

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