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Post by dantheman on March 22nd 2011, 1:52 pm

http://www.great-glass.co.uk/glass%20notes/clean2.htm

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Post by big ed on March 22nd 2011, 6:45 pm

JEEZZZ ! after all that Im glad I'm not a keen glass collector Shock
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Post by Potty on July 27th 2011, 2:12 pm

Good link, but does anyone know of another way to remove water staining?

I dont have a drill, nor am I good enough with one to use on a piece of glass Cheeky

It's for a fairly boring Wedgwood glass vase.

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Post by Nic on July 27th 2011, 2:23 pm

It can be done manually - securely tether a sponge to the end of a flexible plastic rod, pour into your vase a small-ish amount of cerium oxide and water slurry (cerium oxide can now be bought on eBay quite cheaply), poke your improvised mop into the vase and use it to rub the slurry against the vessel walls for a while. It can take anything from 10 minutes to a couple of hours, depending on the softness of the glass and the severity of the staining.

It's a bit laborious, but it does work. And you can do it whilst watching the gogglebox.

If you take this route, a good trick is to outline the stained areas on the outside of the vase with a permanent marker so you know where to focus your efforts as the staining will be obscured by the slurry. The pen will come off with a bit of acetone.


Last edited by Nic on July 27th 2011, 2:34 pm; edited 1 time in total (Reason for editing : Typos!)
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Post by Nic on July 27th 2011, 2:27 pm

Oh, I thought I'd replied to a similar thread on here! Laughter

A bit more detailed: https://www.20thcenturyforum.com/t5852-removing-scratches#54502
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Post by Potty on July 27th 2011, 2:32 pm

Thanks Nic Happy


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Post by Potty on August 5th 2011, 10:02 pm

Before:

restoration info Before10

After:

restoration info After10

restoration info After210

Done with the method Nic stated, Cheers Nic :)

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Post by dantheman on August 5th 2011, 10:12 pm

good method,I'll have a go Most Excellent

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Post by Nic on August 5th 2011, 11:36 pm

Glad it worked for you. Happy

Glass polishing always seems so daunting when you start, especially when the internet is full of mentions of highly corrosive acids and expensive machinery... but there are simple (if time-consuming) alternatives for most jobs.
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Post by bistoboy on August 6th 2011, 7:33 am

has anyone tried those little balls that you can buy in John Lewis? apparently you put them in and swirl them around?
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Post by bistoboy on August 6th 2011, 7:35 am

Magic Balls is the brand name i think
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Post by Nic on August 6th 2011, 7:44 am

Apparently they're okay for shifting calcium deposits and other superficial debris, but aren't abrasive enough to take off staining/cloudiness (which requires the removal of a fine layer of glass).
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Post by Potty on August 6th 2011, 10:53 am

It did not actually take too long at all, about 10 minuets total seems to have got 99.9% of it off, if not all.

I actually found another use for the powder, I had a Glyn Colledge twin handled dish that also had some "water damage" on the inside where the main decoration is. Using some of the powder in a thick paste it was gone in a few minuets and the decoration looks as good as new.

If anyone else try’s this be warned that it would be easy (I think) to ruin the item if you polish past the top layer of glaze, so be careful if you try it!

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Post by Nic on August 6th 2011, 11:47 am

Oh, 10 minutes isn't too bad - some glass can take forever!

I assume the different glass recipes affect its hardness - Whitefriars and Holmegaard are fairly easy cleans... but then I've a 1930s Orrefors decanter that absolutely refuses to give up its cloudiness.

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Post by Nic on August 6th 2011, 11:50 am

Cerium oxide also works on soft metals - it's great for burnishing the marks left by deep-polishing.
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Post by Potty on August 6th 2011, 11:59 am

Oh thats very intersting to know about the metal, I know a chap who that could be very useful to.

The clouding on my vase was not very thick, so not much effort to remove Excellent

I only really bought the vase because it was 50p to be honest, but i'm going to keep it for now, wanted it looking nice Laughter

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Post by NaomiM on August 5th 2012, 7:07 pm

How do you remove glass paint?

I'm assuming it was the previous owner, rather than the manufacturer, who painted the inside of this vase with some sort of red iridescent glass paint.
I'm going to try to remove it and I'm thinking of starting with a soak in warm soapy water, then moving up to some sort of solvent, but don't want to etch the the glass.

Suggestions?

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Post by skay on August 5th 2012, 8:13 pm

Does paint thinners damage glass, I don't know?

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Post by NaomiM on August 5th 2012, 10:08 pm

skay wrote:Does paint thinners damage glass, I don't know?

xx

I don't know either. Hope not. Pondering
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Post by NaomiM on August 6th 2012, 10:50 pm

Used Paintbrush Restorer and the paint went without any problem. Followed it with a wash in warm soapy water. Unfortunately it's now started blooming. Looks nice, though. Shrugs

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Post by NaomiM on August 7th 2012, 12:00 am

Actually, not sure if it's a bloom or an underlying opalescence. How do you tell the difference?

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