[Sca-cooks] Salt corrosion of pots?

[Ian Kusz]

Ludicrous!  Burn him at the stake, a false Magister.

Kobolds from the site where you dug up the clay have wrought havoc upon thy
vessel in punishment for stealing their clay.  You must take clay from a
site free from kobolds.

On Sun, Jan 13, 2013 at 1:03 PM, Terry Decker <t.d.decker at att.net> wrote:

> Glass is amorphous fused silica which is mostly inert and non-porous.
>  Clay used in pottery is a phyllosilicate with a high degree of plasticity.
>  When fired, the crystalline structure of the clay produces densely packed
> rigid layers.  Ceramic vessels are slightly porous and can be permeated by
> liquids, which is essentially eliminated by glazing.  Clay based ceramics
> are not inert, but the degree of reactivity is dependent on the minerals in
> the ceramic and the contents of the pot.  You appear to have been unlucky
> in the mix of brine and clay.  Next time, I think I would try a glazed
> crock or glass jar.
>
> Bear
>
>
>
>  I have a couple of Pomaireware unglazed clay pots (
>> http://pomaireware.com/clay-**cookware/<http://pomaireware.com/clay-cookware/>)
>> that I use with some regularity. Most recently I used one to brine cure a
>> few pounds of olives. Over the course of the cure (about 3 months), the
>> brine solution soaked through the pot; in fact, the outside of the pot
>> became encrusted with salt as the brine dried.
>>
>> A couple of days ago, I transferred the olives to another container. As I
>> was cleaning the pot, I noticed several places where the clay had corroded:
>> it had become soft and crumbly. I didn't think that fired clay pots would
>> be affected by salt in this way. I'm no ceramicist, but isn't fired clay
>> just fused silica, which is extremely inert?
>>
>> I'd be interested in hearing whether anyone else has had this experience.
>>
>> -- Galefridus
>>
>
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-- 
Ian of Oertha