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Tea Stains on Mugs

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Merryterry

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May 19, 2011, 11:08:47 AM5/19/11
to
Every Mug we seem to buy gets stained by tea. We have to Bleach/Milton
them every few days. Bought some Bone China ones the other day and
thought they would be stain proof. They are not. What sort of
chinaware do we have to buy to avoid the tea stains?

S Viemeister

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May 19, 2011, 11:26:16 AM5/19/11
to

A quick wipe with a barely damp sponge/dishcloth, dipped in dry baking
soda/bicarb, will easily remove stains. No bleach needed.

A.Lee

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May 19, 2011, 11:26:29 AM5/19/11
to
Merryterry <ter...@fsmail.net> wrote:

None. You wash them properly after each use to keep them clean.
If they have a build-up of brown tea mess, then washing powder and hot
water left in overnight usually clears it.
Alan.
--
To reply by e-mail, change the ' + ' to 'plus'.

Bernard Peek

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May 19, 2011, 11:29:53 AM5/19/11
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I'm not sure that even Teflon-lined cups would be stain-resistant. The
best suggestion I can come up with is that you buy dark brown cups.


--
Bernard Peek
b...@shrdlu.com

Message has been deleted

Tabby

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May 19, 2011, 11:54:52 AM5/19/11
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A tiny bit of a strong acid removes these instantly. Bleach only
decolourises it, so ti restains rapidly.


NT

tim....

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May 19, 2011, 2:13:54 PM5/19/11
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"Merryterry" <ter...@fsmail.net> wrote in message
news:2794a21c-61b0-48d8...@j2g2000yqb.googlegroups.com...

Ones that you fill with coffee

tim


Another John

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May 19, 2011, 2:17:06 PM5/19/11
to
In article <dteat6dcndpr7el8f...@4ax.com>,
Chris Hogg <m...@privacy.net> wrote:

> ....The
> only way I've found to shift it is several cycles through the dish
> washer interspaced with a good scrub with one of those cleaning pads
> that look as though they're made of metal turnings. ...

Funny -- I was going to say: if you use a dishwasher, your cups have had
it: dishwashers abrade the surface, giving a key for the tea to stain
it.

We stopped using our dishwasher a couple of years ago, but my wife's
favourite teacup is permanently damaged in this way.

A good linen teatowel, vigorously used, is the way to keep crockery
shining clean, in my experience!

John

Dave Plowman (News)

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May 19, 2011, 2:22:37 PM5/19/11
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In article
<2794a21c-61b0-48d8...@j2g2000yqb.googlegroups.com>,

I've got white mugs that are yonks old. And still white. But I don't have
a dishwasher.

--
*Time is fun when you're having flies... Kermit

Dave Plowman da...@davenoise.co.uk London SW
To e-mail, change noise into sound.

Message has been deleted
Message has been deleted

Another John

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May 19, 2011, 3:04:13 PM5/19/11
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In article <0bpat6h52najeq4pu...@4ax.com>,
Chris Hogg <m...@privacy.net> wrote:

> Hmmm...my mother doesn't have a dishwasher; she has heavily stained
> cups. We have a dishwasher; we have white cups. Much depends on the
> composition of the glaze as to whether it will etch in a dishwasher.
> Some do, some don't. If it's a 'soft' glaze as found on older
> tableware, it will probably etch. Most modern tableware glazes are
> designed to be dish-washer proof, because so many people have them
> these days. So-called on-glaze enamel decoration is also likely to
> etch. Under-glaze decoration is resistant.

Thanks for that: learned something! John

harry

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May 19, 2011, 3:14:20 PM5/19/11
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On May 19, 4:08 pm, Merryterry <ter...@fsmail.net> wrote:

Glass. Heat resisting, "Pyrex" sort of thing.

stuart noble

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May 19, 2011, 3:34:55 PM5/19/11
to

A tiny bit of anything acidic removes it, even a dash of Ribena

newshound

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May 19, 2011, 3:37:50 PM5/19/11
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"Merryterry" <ter...@fsmail.net> wrote in message
news:2794a21c-61b0-48d8...@j2g2000yqb.googlegroups.com...

ISTR that steradent tablets work a treat on the deposits in old teapots,
teamakers, etc.

Andy Champ

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May 19, 2011, 3:39:17 PM5/19/11
to
On 19/05/2011 19:26, Huge wrote:
>
> Ditto. Ditto. And I do have a dishwasher.
>
>

I have a cheap mug I bought as a student <mumble> years ago which is
still white and clean. it goes in the dishwasher a couple of times a
week, and has done for at least 25 years...

On the other hand we also have some completely wrecked glasses.

Andy

Message has been deleted

John Williamson

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May 19, 2011, 3:46:00 PM5/19/11
to
Chris Hogg wrote:
> Useful to know. I'll try a mild acid next time, like vinegar.
>
Or Diet Coke.

--
Tciao for Now!

John.

Ron Lowe

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May 19, 2011, 4:51:17 PM5/19/11
to


Hmm.
I've heard the same about glasses: dishwashers grit-blast them into an
opaque mess.

I've never experienced this, and I've not hand-washed any of our stuff (
with a few delicate exceptions ) for over 20 years. Everything goes
through the dishwasher. Every time. The glasses remain sparkly bright,
like new. The cups have no residual staining.

--
Ron


Cash

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May 19, 2011, 5:15:06 PM5/19/11
to

You only rinse out a tea mug - and you *never*, *never* remove stains from a
well-used and ancient teapot - all those stains allow you to get the best
taste and enjoyment out of a mug of tea!

I learnt that as a very young lad, way back in the year dot when I first
started my apprenticeship in ye olde woodworking shop, and incurred the
wrath of some very large and hairy arsed chippies just because I washed
their old teapot and mugs (and actually used water and *SOAP* to do the
deed) on the second day of my employment - and after receiving a couple of
'thick ears' and several 'bollockings' at the next tea break, I got the
message and *NEVER* commited those most heinous of crimes in the workplace
again.

As an aside to that, when I wed SWMBO some 45 years ago, I tried laying down
that same rules in the marital household - and I lost that discussion too
with an even bigger bollocking from a 5ft tall, spitfire of wife who would
have even scared Joseph Stalin (then).

One very big grin here at the (mostly) happy memories of those much slower
first days of the workplace.

Cash


Jason

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May 19, 2011, 5:20:53 PM5/19/11
to
On 19/05/2011 16:54, Chris Hogg wrote:
> My mother has this problem. She's elderly, and because she lives on
> her own, tends to brew tea directly in a mug. Although they are always
> washed up after use, after a few weeks the insides are dark brown. The

> only way I've found to shift it is several cycles through the dish
> washer interspaced with a good scrub with one of those cleaning pads
> that look as though they're made of metal turnings. I reckon it's also
> dependent on the brand of tea. She uses Yorkshire.

I use Yorkshire too, and have the same problem with my stainless steel mug at
work. Once a month I soak it in salty water, and that seems to loosen the tea
layers, which can be wiped out with a coarse sponge.

The Natural Philosopher

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May 19, 2011, 6:06:31 PM5/19/11
to
Cash wrote:
> Merryterry wrote:
>> Every Mug we seem to buy gets stained by tea. We have to Bleach/Milton
>> them every few days. Bought some Bone China ones the other day and
>> thought they would be stain proof. They are not. What sort of
>> chinaware do we have to buy to avoid the tea stains?
>
>
>
> You only rinse out a tea mug - and you *never*, *never* remove stains from a
> well-used and ancient teapot - all those stains allow you to get the best
> taste and enjoyment out of a mug of tea!
>


Do you have the same attitude towards your underwear?

(tea stains are a surfac thing. Gentle scouring removes them. Soap is
not required).

Andy Dingley

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May 19, 2011, 6:44:00 PM5/19/11
to
On May 19, 4:08 pm, Merryterry <ter...@fsmail.net> wrote:

> What sort of
> chinaware do we have to buy to avoid the tea stains?

A teapot

Loose tea is also far cheaper, and better quality, than bags

Cash

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May 19, 2011, 7:50:10 PM5/19/11
to
The Natural Philosopher wrote:
> Cash wrote:
>> Merryterry wrote:
>>> Every Mug we seem to buy gets stained by tea. We have to
>>> Bleach/Milton them every few days. Bought some Bone China ones the
>>> other day and thought they would be stain proof. They are not. What
>>> sort of chinaware do we have to buy to avoid the tea stains?
>>
>>
>>
>> You only rinse out a tea mug - and you *never*, *never* remove
>> stains from a well-used and ancient teapot - all those stains allow
>> you to get the best taste and enjoyment out of a mug of tea!
>>
>
>
> Do you have the same attitude towards your underwear?

_______________________________________________________________________________


What a kinky bloke talking about underwear here. If that's your fetish,
then perhaps some other type of newsgroup may be of more interest to you?

My long departed parents used to warn me about chappies like you!


> (tea stains are a surfac thing. Gentle scouring removes them. Soap is
> not required).

Well you and I cannot be drinking the same stuff - you must be drinking the
old dishwater rather than decent tea if you can remove your tea stains
simply by "gentle scouring".

Cash


Cash

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May 19, 2011, 7:59:45 PM5/19/11
to
Chris Hogg wrote:
> On Thu, 19 May 2011 08:08:47 -0700 (PDT), Merryterry
> <ter...@fsmail.net> wrote:
>
> My mother has this problem. She's elderly, and because she lives on
> her own, tends to brew tea directly in a mug. Although they are always
> washed up after use, after a few weeks the insides are dark brown. The
> only way I've found to shift it is several cycles through the dish
> washer interspaced with a good scrub with one of those cleaning pads
> that look as though they're made of metal turnings. I reckon it's also
> dependent on the brand of tea. She uses Yorkshire.

Chris,

We use Yorkshire tea here and we have the same problem, which drives SWMBO
up the wall.

She gets rid of it by filling the cups (and teapot, much to my disgust) with
boiling water and adds a teaspoonful or so of washing powder and then leaves
them to soak for a couple of hours - a rinse and a hand-wash using
washing-up liquid then sorts it out.


Cash


geoff

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May 19, 2011, 8:20:31 PM5/19/11
to
In message <93lolg...@mid.individual.net>, Cash
<?.?.?.?.?.?.?.?.?.?.?.?.?.?@?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.//.com.invalid
> writes
No hills in east anglia - no tea


--
geoff

geoff

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May 19, 2011, 8:19:02 PM5/19/11
to
In message <93lp7e...@mid.individual.net>, Cash
<?.?.?.?.?.?.?.?.?.?.?.?.?.?@?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.//.com.invalid
> writes

>Chris Hogg wrote:
>> On Thu, 19 May 2011 08:08:47 -0700 (PDT), Merryterry
>> <ter...@fsmail.net> wrote:
>>
>>> Every Mug we seem to buy gets stained by tea. We have to
>>> Bleach/Milton them every few days. Bought some Bone China ones the
>>> other day and thought they would be stain proof. They are not. What
>>> sort of chinaware do we have to buy to avoid the tea stains?
>>
>> My mother has this problem. She's elderly, and because she lives on
>> her own, tends to brew tea directly in a mug. Although they are always
>> washed up after use, after a few weeks the insides are dark brown. The
>> only way I've found to shift it is several cycles through the dish
>> washer interspaced with a good scrub with one of those cleaning pads
>> that look as though they're made of metal turnings. I reckon it's also
>> dependent on the brand of tea. She uses Yorkshire.
>
>Chris,
>
>We use Yorkshire tea here and we have the same problem, which drives SWMBO
>up the wall.
>
Picked on the sun drenched slopes of the cleveland hills, are they?

--
geoff

Gib Bogle

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May 19, 2011, 11:58:14 PM5/19/11
to
On 5/20/2011 8:51 AM, Ron Lowe wrote:
> On 19/05/2011 19:17, Another John wrote:
>> In article<dteat6dcndpr7el8f...@4ax.com>,
>> Chris Hogg<m...@privacy.net> wrote:
>>
>>> ....The
>>> only way I've found to shift it is several cycles through the dish
>>> washer interspaced with a good scrub with one of those cleaning pads
>>> that look as though they're made of metal turnings. ...
>>
>> Funny -- I was going to say: if you use a dishwasher, your cups have had
>> it: dishwashers abrade the surface, giving a key for the tea to stain
>> it.
>>
>> We stopped using our dishwasher a couple of years ago, but my wife's
>> favourite teacup is permanently damaged in this way.
>>
>> A good linen teatowel, vigorously used, is the way to keep crockery
>> shining clean, in my experience!
>>
>> John
>
>
> Hmm.
> I've heard the same about glasses: dishwashers grit-blast them into an
> opaque mess.

That happens only if you put sand in with the dishes.

Gib Bogle

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May 20, 2011, 12:02:56 AM5/20/11
to

How does a teapot prevent the tea from staining a mug? Drink the tea
straight from the spout?

The Natural Philosopher

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May 20, 2011, 2:29:48 AM5/20/11
to

Same goes for women.

The Natural Philosopher

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May 20, 2011, 2:30:48 AM5/20/11
to
Nah. I just know what manual labour means.

Gentle scouring = dont use angle grinder.

>
> Cash
>
>

chris French

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May 20, 2011, 3:15:38 AM5/20/11
to
In message <ir3vs5$fol$2...@dont-email.me>, Ron Lowe <d...@null.com> writes

It's not grit blasted of course, but yes, glasses can get milky/misty
white patches on them. Some of ours have, other not, so I presume it's
down to the precise type of glass or something
--
Chris French

chris French

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May 20, 2011, 3:19:49 AM5/20/11
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In message <93lp7e...@mid.individual.net>, Cash
<?.?.?.?.?.?.?.?.?.?.?.?.?.?@?.?.?.?.?.?.?.?.?.?.?.?.?.?.?.//.com.invalid
> writes
>Chris Hogg wrote:
>> On Thu, 19 May 2011 08:08:47 -0700 (PDT), Merryterry
>> <ter...@fsmail.net> wrote:
>>
>>> Every Mug we seem to buy gets stained by tea. We have to
>>> Bleach/Milton them every few days. Bought some Bone China ones the
>>> other day and thought they would be stain proof. They are not. What
>>> sort of chinaware do we have to buy to avoid the tea stains?
>>
>> My mother has this problem. She's elderly, and because she lives on
>> her own, tends to brew tea directly in a mug. Although they are always
>> washed up after use, after a few weeks the insides are dark brown. The
>> only way I've found to shift it is several cycles through the dish
>> washer interspaced with a good scrub with one of those cleaning pads
>> that look as though they're made of metal turnings. I reckon it's also
>> dependent on the brand of tea. She uses Yorkshire.
>
>Chris,
>
>We use Yorkshire tea here and we have the same problem, which drives SWMBO
>up the wall.
>

We don't as a rule have that problem.

Though we use a teapot rather than brew in the mug, and the cups go in
the dishwasher after that pot of tea, rather than keep them going with a
rinse out
--
Chris French

MuddyMike

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May 20, 2011, 3:48:11 AM5/20/11
to

"Ron Lowe" <d...@null.com> wrote in message
news:ir3vs5$fol$2...@dont-email.me...

> On 19/05/2011 19:17, Another John wrote:
>> In article<dteat6dcndpr7el8f...@4ax.com>,
>> Chris Hogg<m...@privacy.net> wrote:
>>
>>> ....The
>>> only way I've found to shift it is several cycles through the dish
>>> washer interspaced with a good scrub with one of those cleaning pads
>>> that look as though they're made of metal turnings. ...
>>
>
> Hmm.
> I've heard the same about glasses: dishwashers grit-blast them into an
> opaque mess.

The opaque mess on glass is not the fault of the dishwasher, its from the
water and shows that the user has not bothered adding salt to the salt
dispenser inside the machine, or has it set to dose too little. All our
crockery and glasses have been washed in a dishwasher for over 20 years. Not
one glass from the best lead chrystal to the "free from filling station" is
showing any damage.

Mugs do vary a lot, some of ours have a bit of staining, others stay white,
all are machine washed. The cheap ones seem to do better, don't know why.
We bring the mugs from the annex (which we let as a holiday appartment) over
and run them through the dish washer every few weeks, this removes the
stains that build up after several hand washes.

Mike

Kipper at sea

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May 20, 2011, 4:06:07 AM5/20/11
to
On May 19, 4:08 pm, Merryterry <ter...@fsmail.net> wrote:
> Every Mug we seem to buy gets stained by tea. We have to Bleach/Milton
> them every few days. Bought some Bone China ones the other day and
> thought they would be stain proof. They are not. What sort of
> chinaware do we have to buy to avoid the tea stains?

In the building trade we used to clean tea stained mugs with cement
powder and water. Any slightly abrasive powder will do. Wash out well
after.

fred

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May 20, 2011, 4:49:55 AM5/20/11
to
On 19 May, 22:15, "Cash" <.............\\@...............//.com>
wrote:

All very well but if the stains the O.P. complained of are the result
of using tea bags then they are of dye, not the tea. Tea bags are
infused with a dye to make the piss they make more attractive looking.
Thats what you see coming out of the bag as soon as the hot water hits
it.

Paul Mc Cann

Message has been deleted

Andy Dingley

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May 20, 2011, 5:02:35 AM5/20/11
to
On May 20, 5:02 am, Gib Bogle <g.bo...@auckland.ac.nz> wrote:

> How does a teapot prevent the tea from staining a mug?  Drink the tea
> straight from the spout?

Tea in the pot is hotter, and unmixed with milk. If you use a pot
you'll get staining in the pot, but no noticeable buildup in the cups.

Man at B&Q

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May 20, 2011, 5:45:46 AM5/20/11
to
On May 20, 8:48 am, "MuddyMike" <n...@mattishall.org.uk> wrote:
> "Ron Lowe" <d...@null.com> wrote in message
>
> news:ir3vs5$fol$2...@dont-email.me...
>
> > On 19/05/2011 19:17, Another John wrote:
> >> In article<dteat6dcndpr7el8f1gqu69iusv68mb...@4ax.com>,

> >>   Chris Hogg<m...@privacy.net>  wrote:
>
> >>> ....The
> >>> only way I've found to shift it is several cycles through the dish
> >>> washer interspaced with a good scrub with one of those cleaning pads
> >>> that look as though they're made of metal turnings. ...
>
> > Hmm.
> > I've heard the same about glasses: dishwashers grit-blast them into an
> > opaque mess.
>
> The opaque mess on glass is not the fault of the dishwasher, its from the
> water and shows that the user has not bothered adding salt to the salt
> dispenser inside the machine, or has it set to dose too little.

Wrong.

MBQ

Man at B&Q

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May 20, 2011, 5:47:06 AM5/20/11
to
On May 19, 8:39 pm, Andy Champ <no....@nospam.invalid> wrote:
> On 19/05/2011 19:26, Huge wrote:
>
>
>
> > Ditto. Ditto. And I do have a dishwasher.
>
> I have a cheap mug I bought as a student <mumble> years ago which is
> still white and clean.  it goes in the dishwasher a couple of times a
> week, and has done for at least 25 years...

Some of our go in every day, Still perfectly white.

> On the other hand we also have some completely wrecked glasses.

Completely different problem.

MBQ

Man at B&Q

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May 20, 2011, 5:49:44 AM5/20/11
to
On May 20, 5:02 am, Gib Bogle <g.bo...@auckland.ac.nz> wrote:

It stains the pot. Still not a problem to clean that either.

MBQ

MuddyMike

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May 20, 2011, 5:46:25 AM5/20/11
to

"Huge" <Hu...@nowhere.much.invalid> wrote in message
news:93moq9...@mid.individual.net...

> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>
>> "Ron Lowe" <d...@null.com> wrote in message
>> news:ir3vs5$fol$2...@dont-email.me...
>>> On 19/05/2011 19:17, Another John wrote:
>>>> In article<dteat6dcndpr7el8f...@4ax.com>,
>>>> Chris Hogg<m...@privacy.net> wrote:
>>>>
>>>>> ....The
>>>>> only way I've found to shift it is several cycles through the dish
>>>>> washer interspaced with a good scrub with one of those cleaning pads
>>>>> that look as though they're made of metal turnings. ...
>>>>
>>>
>>> Hmm.
>>> I've heard the same about glasses: dishwashers grit-blast them into an
>>> opaque mess.
>>
>> The opaque mess on glass is not the fault of the dishwasher, its from the
>> water and shows that the user has not bothered adding salt to the salt
>> dispenser inside the machine,
>
> Rubbish.
>

No fact.
Shame you clipped the next part of my reply. Friends of ours had this
problem we advised checking the salt, they did, there wasn't any, they
filled it, the glasses returned to clear after a couple more washes.
Fact.

Mike


Man at B&Q

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May 20, 2011, 6:12:29 AM5/20/11
to
On May 20, 10:46 am, "MuddyMike" <n...@mattishall.org.uk> wrote:
> "Huge" <H...@nowhere.much.invalid> wrote in message

>
> news:93moq9...@mid.individual.net...
>
>
>
>
>
>
>
>
>
> > On 2011-05-20, MuddyMike <n...@mattishall.org.uk> wrote:
>
> >> "Ron Lowe" <d...@null.com> wrote in message
> >>news:ir3vs5$fol$2...@dont-email.me...
> >>> On 19/05/2011 19:17, Another John wrote:
> >>>> In article<dteat6dcndpr7el8f1gqu69iusv68mb...@4ax.com>,

> >>>>   Chris Hogg<m...@privacy.net>  wrote:
>
> >>>>> ....The
> >>>>> only way I've found to shift it is several cycles through the dish
> >>>>> washer interspaced with a good scrub with one of those cleaning pads
> >>>>> that look as though they're made of metal turnings. ...
>
> >>> Hmm.
> >>> I've heard the same about glasses: dishwashers grit-blast them into an
> >>> opaque mess.
>
> >> The opaque mess on glass is not the fault of the dishwasher, its from the
> >> water and shows that the user has not bothered adding salt to the salt
> >> dispenser inside the machine,
>
> > Rubbish.
>
> No fact.
> Shame you clipped the next part of my reply. Friends of ours had this
> problem we advised checking the salt, they did, there wasn't any, they
> filled it, the glasses returned to clear after a couple more washes.
> Fact.
>
> Mike

That was scale build up. The "opaque mess" referred to up the thread
is a totally different mechanism. Nothing to do with grit blasting or
salt.

GIYF

MBQ

Message has been deleted
Message has been deleted
Message has been deleted

The Natural Philosopher

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May 20, 2011, 6:56:01 AM5/20/11
to
Been the case when its happened to me.

> MBQ
>

The Natural Philosopher

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May 20, 2011, 6:57:13 AM5/20/11
to

I don't use salt in the dishwasher, but have told er indoors to watch
out for milkiness as its a sign I forgot to add salt to the main house
softener..


> Mike
>
>

MuddyMike

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May 20, 2011, 7:24:51 AM5/20/11
to

"Chris Hogg" <m...@privacy.net> wrote in message
news:mdfct692u4pdsej92...@4ax.com...
> AIUI glasses going milky in dishwashers can be due to either or both
> of build-up of calcium deposits due to hard water and no salt in the
> ion exchanger, or etching of the glass by the caustic nature of the
> dishwasher powder.
> See for example http://en.wikipedia.org/wiki/Dishwasher (Usual caveats
> apply)
>
> --
>
> Chris

Hmmm, Wikipedia!
I assumed we were discussing the effect on the types of glass used in the
normal home.
I had also assumed that folk would be using a type of detergent designed for
the purpose as well as loading their glasses so as not to chafe together.

I stand by what I say from personal experience. We have a few very good
quality lead crystal glasses some very old and some relatively new, several
medium quality, and several more inexpensive ones that get used every day.
Over the past 20+ years of them being washed in 3 different dishwashers,
using either salt with standard detergent and rinse aid, or branded "3 in
1" detergent as we do now, not one of them has been "grit-blast into an
opaque mess" or suffered "etching of the glass by the caustic nature of the
dishwasher powder".

Use the machine as it was designed, for what it was designed to clean, with
quality additives and the problem simply does not occur.

Mike


Message has been deleted

MuddyMike

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May 20, 2011, 9:36:44 AM5/20/11
to

"Huge" <Hu...@nowhere.much.invalid> wrote in message
news:93n7oq...@mid.individual.net...

> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>
>> "Huge" <Hu...@nowhere.much.invalid> wrote in message
>> news:93moq9...@mid.individual.net...
>>> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>>>
>>>> "Ron Lowe" <d...@null.com> wrote in message
>>>> news:ir3vs5$fol$2...@dont-email.me...
>>>>> On 19/05/2011 19:17, Another John wrote:
>>>>>> In article<dteat6dcndpr7el8f...@4ax.com>,
>>>>>> Chris Hogg<m...@privacy.net> wrote:
>>>>>>
>>>>>>> ....The
>>>>>>> only way I've found to shift it is several cycles through the dish
>>>>>>> washer interspaced with a good scrub with one of those cleaning pads
>>>>>>> that look as though they're made of metal turnings. ...
>>>>>>
>>>>>
>>>>> Hmm.
>>>>> I've heard the same about glasses: dishwashers grit-blast them into an
>>>>> opaque mess.
>>>>
>>>> The opaque mess on glass is not the fault of the dishwasher, its from
>>>> the
>>>> water and shows that the user has not bothered adding salt to the salt
>>>> dispenser inside the machine,
>>>
>>> Rubbish.
>>>
>>
>> No fact.
>
> No, it's rubbish.

>
>> Shame you clipped the next part of my reply. Friends of ours had this
>> problem we advised checking the salt, they did, there wasn't any, they
>> filled it, the glasses returned to clear after a couple more washes.
>
> Sigh. I measured the water hardness when we moved in and set the
> dishwasher
> appropriately. It gets more salt whenever the low salt light comes on. It
> still eats cheap glasses.
>
>> Fact.
>
> As you wish. You're still wrong.
>

Then something is wrong, this should not happen, and does not happen when
everything is correct.

Mike


Message has been deleted

MuddyMike

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May 20, 2011, 10:33:18 AM5/20/11
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"Huge" <Hu...@nowhere.much.invalid> wrote in message
news:93n9q6...@mid.individual.net...

> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>
>> "Huge" <Hu...@nowhere.much.invalid> wrote in message
>> news:93n7oq...@mid.individual.net...

>
>>> Sigh. I measured the water hardness when we moved in and set the
>>> dishwasher
>>> appropriately. It gets more salt whenever the low salt light comes on.
>>> It
>>> still eats cheap glasses.
>>>
>>>> Fact.
>>>
>>> As you wish. You're still wrong.
>>>
>>
>> Then something is wrong,
>
> Indeed. You.
>

He He, Ok you have it. All my glasses are ruined so I must be blind...

Mike


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MuddyMike

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May 20, 2011, 11:02:44 AM5/20/11
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"Huge" <Hu...@nowhere.much.invalid> wrote in message
news:93ndcf...@mid.individual.net...

> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>
>> "Huge" <Hu...@nowhere.much.invalid> wrote in message
>> news:93n9q6...@mid.individual.net...
>>> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>>>
>>>> "Huge" <Hu...@nowhere.much.invalid> wrote in message
>>>> news:93n7oq...@mid.individual.net...
>>>
>>>>> Sigh. I measured the water hardness when we moved in and set the
>>>>> dishwasher
>>>>> appropriately. It gets more salt whenever the low salt light comes on.
>>>>> It
>>>>> still eats cheap glasses.
>>>>>
>>>>>> Fact.
>>>>>
>>>>> As you wish. You're still wrong.
>>>>>
>>>>
>>>> Then something is wrong,
>>>
>>> Indeed. You.
>>>
>>
>> He He, Ok you have it. All my glasses are ruined so I must be blind...
>
> You must work for Microsoft. Your glasses are OK so mine must be too?
>
> And I didn't say "All", I said "cheap".
>

The ones given away by filling stations a few years back must be good ones
then! There is nowt cheaper than "free"

Mike


chris French

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May 20, 2011, 1:26:00 PM5/20/11
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In message <2budneYk7YYW0kvQ...@brightview.com>, MuddyMike
<ne...@mattishall.org.uk> writes

>I assumed we were discussing the effect on the types of glass used in the


>normal home.
>I had also assumed that folk would be using a type of detergent designed for
>the purpose as well as loading their glasses so as not to chafe together.

Yes, a variety of different (domestic dishwasher) detergents over the
years. The glasses don't chafe, and anyway the pattern of marking isn't
that of chafing, typically it's a more of cloudy/milky haze over part of
the glass.


>
>I stand by what I say from personal experience. We have a few very good
>quality lead crystal glasses some very old and some relatively new, several
>medium quality, and several more inexpensive ones that get used every day.
>Over the past 20+ years of them being washed in 3 different dishwashers,
>using either salt with standard detergent and rinse aid, or branded "3 in
>1" detergent as we do now, not one of them has been "grit-blast into an
>opaque mess" or suffered "etching of the glass by the caustic nature of the
>dishwasher powder".
>
>Use the machine as it was designed, for what it was designed to clean, with
>quality additives and the problem simply does not occur.
>

I think we are going to get nowhere with this :-) but IME it certainly
does (to some - a minority - of our glasses, not all. Of course this
might be because we break most of them before they get old enough :-)).

It's not scale from no salt in the machine, it certainly doesn't go away
again. I'm pretty careful with the salt dosing - I remember checking it
when we moved. I don't have an explanation for why it happens to me and
not to you (maybe it's only certain particular type of glass?), but i'm
sure it's a really effect, not 'operator error'
--
Chris French

Ret.

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May 20, 2011, 2:20:41 PM5/20/11
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Ron Lowe wrote:
> On 19/05/2011 19:17, Another John wrote:
>> In article<dteat6dcndpr7el8f...@4ax.com>,
>> Chris Hogg<m...@privacy.net> wrote:
>>
>>> ....The
>>> only way I've found to shift it is several cycles through the dish
>>> washer interspaced with a good scrub with one of those cleaning pads
>>> that look as though they're made of metal turnings. ...
>>
>> Funny -- I was going to say: if you use a dishwasher, your cups have
>> had it: dishwashers abrade the surface, giving a key for the tea to
>> stain it.
>>
>> We stopped using our dishwasher a couple of years ago, but my wife's
>> favourite teacup is permanently damaged in this way.
>>
>> A good linen teatowel, vigorously used, is the way to keep crockery
>> shining clean, in my experience!
>>
>> John
>
>
> Hmm.
> I've heard the same about glasses: dishwashers grit-blast them into an
> opaque mess.
>
> I've never experienced this, and I've not hand-washed any of our
> stuff ( with a few delicate exceptions ) for over 20 years. Everything
> goes through the dishwasher. Every time. The glasses
> remain sparkly bright, like new. The cups have no residual staining.

What tablets/liquid to you use in your dishwasher? We have some cheapo
supermarket wineglasses for every day use - and they became badly opaque
through putting in the dishwasher. We now just rinse them and dry them by
hand.

--
Kev

Message has been deleted

Ret.

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May 20, 2011, 2:24:15 PM5/20/11
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Chris Hogg wrote:
> On Fri, 20 May 2011 10:46:25 +0100, "MuddyMike"
> <ne...@mattishall.org.uk> wrote:
>
>>
> AIUI glasses going milky in dishwashers can be due to either or both
> of build-up of calcium deposits due to hard water and no salt in the
> ion exchanger, or etching of the glass by the caustic nature of the
> dishwasher powder.
> See for example http://en.wikipedia.org/wiki/Dishwasher (Usual caveats
> apply)

Spot on. I live in a very soft water area and have never had to use salt in
the dishwasher. Some glasses go milky - others don't. I put it down to the
type of tablets used. Most current dishwasher tablets are now '3 in 1' or '4
in 1' and obviate the need for salt in the dispenser anyway.

--
Kev

Ret.

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May 20, 2011, 2:30:38 PM5/20/11
to
Huge wrote:
> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>
>> "Huge" <Hu...@nowhere.much.invalid> wrote in message
>> news:93n9q6...@mid.individual.net...
>>> On 2011-05-20, MuddyMike <ne...@mattishall.org.uk> wrote:
>>>>
>>>> "Huge" <Hu...@nowhere.much.invalid> wrote in message
>>>> news:93n7oq...@mid.individual.net...
>>>
>>>>> Sigh. I measured the water hardness when we moved in and set the
>>>>> dishwasher
>>>>> appropriately. It gets more salt whenever the low salt light
>>>>> comes on. It
>>>>> still eats cheap glasses.
>>>>>
>>>>>> Fact.
>>>>>
>>>>> As you wish. You're still wrong.
>>>>>
>>>>
>>>> Then something is wrong,
>>>
>>> Indeed. You.
>>>
>>
>> He He, Ok you have it. All my glasses are ruined so I must be
>> blind...
>
> You must work for Microsoft. Your glasses are OK so mine must be too?
>
> And I didn't say "All", I said "cheap".

A quick Google suggests that glass 'etching' caused by the detergent will be
more prevalent in soft water areas (which perhaps explains why I suffer from
it).:

"Is It Etching?

If the cloudy film on your glassware isn't removed by the vinegar, your
glasses may have etching. Etching is a wearing away of places on the
glassware. Often it happens more commonly in areas with very soft water.
Don't use a water softener. If etching is the problem, don't use a water
softener with your dishwasher's water. The softer the water, the more likely
you'll be to have etching occur."

--
Kev


Steve Walker

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May 21, 2011, 2:47:02 PM5/21/11
to
On 19/05/2011 21:51, Ron Lowe wrote:
> On 19/05/2011 19:17, Another John wrote:
>> In article<dteat6dcndpr7el8f...@4ax.com>,
>> Chris Hogg<m...@privacy.net> wrote:
>>
>>> ....The
>>> only way I've found to shift it is several cycles through the dish
>>> washer interspaced with a good scrub with one of those cleaning pads
>>> that look as though they're made of metal turnings. ...
>>
>> Funny -- I was going to say: if you use a dishwasher, your cups have had
>> it: dishwashers abrade the surface, giving a key for the tea to stain
>> it.
>>
>> We stopped using our dishwasher a couple of years ago, but my wife's
>> favourite teacup is permanently damaged in this way.
>>
>> A good linen teatowel, vigorously used, is the way to keep crockery
>> shining clean, in my experience!
>>
>> John
>
>
> Hmm.
> I've heard the same about glasses: dishwashers grit-blast them into an
> opaque mess.
>
> I've never experienced this, and I've not hand-washed any of our stuff (
> with a few delicate exceptions ) for over 20 years. Everything goes
> through the dishwasher. Every time. The glasses remain sparkly bright,
> like new. The cups have no residual staining.

I can tell you from experience that our cups and mugs have no problems,
our glasses do gradually deteriorate, but they tend to get broken before
they've gone very far and the chrome plating on the needle of a 1977
Mercedes' carb is destroyed by it!

SteveW

Steve Walker

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May 21, 2011, 3:00:51 PM5/21/11
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On 19/05/2011 16:08, Merryterry wrote:
> Every Mug we seem to buy gets stained by tea. We have to Bleach/Milton
> them every few days. Bought some Bone China ones the other day and
> thought they would be stain proof. They are not. What sort of

> chinaware do we have to buy to avoid the tea stains?

At one place I worked, a guy in the office would carry on using his mug
as it get worse and worse. Eventually someone would pinch it, head down
to the shop floor and throw it in the welding department's pickling bath
for a few hours. He always complained of his tea tasting off for a while
afterwards.

SteveW

Steve Walker

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May 21, 2011, 3:07:34 PM5/21/11
to

It does happen. Nothing to do with salt - as a child we titrated various
liquids in chemistry and the water here is nearly as soft as de-ionised
water, yet we've had it happen! That's with two different dishwashers
and various types of powder/liquids/tablets.

SteveW

stuart noble

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May 22, 2011, 7:33:20 AM5/22/11
to

I'm no chemist, but IIRC tannic acid extracted from oak galls forms a
slightly hydrphobic gel at PH neutral which can either be made soluble
in acid, or neutralised with a mild alkali, like bicarb. AFAIK this
explains why either method removes tea stains.

Andrew Gabriel

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May 22, 2011, 12:02:34 PM5/22/11
to
In article <ir3vs5$fol$2...@dont-email.me>,

Ron Lowe <d...@null.com> writes:
>
> Hmm.
> I've heard the same about glasses: dishwashers grit-blast them into an
> opaque mess.

That's not the cause of the problem.

There are 3 causes:

Abrasion if the glasses rub on each other or other items.

Hard water scale, caused by the water softener or rinse aid not working.
This is on the surface and some wipes off on a finger, and it will vanish
if wiped with vinegar.

Reaction with lead in the glass, which causes a milkyness which goes below
the surface and normally can't be removed. Tends in effect higher quality
glass, which you shouldn't wash in a dishwasher if you want to keep this
from happening.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

chris French

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May 22, 2011, 12:41:07 PM5/22/11
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In message <irbc2q$l63$1...@dont-email.me>, Andrew Gabriel
<and...@cucumber.demon.co.uk> writes

Yes, the latter is what I experience, our expensive lead crystal
glasses get hand washed only.

I'm wondering if the reason it affects some of our cheapo everyday
glasses and seemingly not others is due to differences in the precise
content of the glass?
--
Chris French

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