Oxalic acid?

Kathy


On Oct 18, 2011, at 3:39 PM, Consie Powell wrote:

> Something just occurred to me. The discussion of concern for tiny  
> abrasions made me think of my sink. In our new house I have a white  
> sink that is made of some kind of something that's not enameled cast  
> iron. The appliance lady swore by it. So that's what we got. But, in  
> the first weeks in the house (granted, almost 2 years ago now), it  
> really stained up pretty well, and normal scrubbing did virtually  
> nothing. All the on-line stuff for that kind of sink said just fill  
> it with water with clorox in it. Well, that's not an option, as I  
> don't like to send that kind of poison down into my septic system to  
> kill of all those wonderful beneficial beasties. What I did end up  
> trying, and use now, consistently, is Barkeeper's Friend. It is not  
> a scouring powder; it is, I think, the same type of "acid" that's in  
> rhubarb (forget what it is). It really works well. It sparkles the  
> sink nicely, is not abrasive, and is quite benign. You might try  
> that on the stains on the palette and see what happens. You can get  
> it at the grocery store or hardware store.
>
> Consie

Need to leave or subscribe to the Sciart-L listserv? Follow the instructions at
http://citnews.unl.edu/presentmethods_lana/listserv/index.html