"Ned Simmons" wrote in message
...
On Mon, 18 Jun 2012 19:43:32 -0400, Ed Huntress
wrote:

On Mon, 18 Jun 2012 16:22:41 -0700, "anorton"
wrote:



The only corrosion are little pits in the s.s. where it makes contact
with
the rubber gasket. I think this is where organic leaf debris sometimes
gets
caught and creates acid conditions.

Possibly, or it's just holding the chlorine and water.

Very likely the gasket is creating small pockets of stagnant
chlorinated water leading to crevice corrosion.
http://en.wikipedia.org/wiki/Crevice_corrosion

--
Ned Simmons

Interesting article, thanks. That would explain it. The debris helps create
pockets of stagnate clorinated water.