Seth Goodman > writes:

> Were the replacements ordinary anodized aluminum (no longer made by
> Calphalon), or "Calphalon One"? If the former, the Barkeepers Friend
> inclusion was a mistake. The Calphalon website recommends Barkeepers
> Friend for stainless steel and "Calphalon One", but not anodized
> aluminum.

Hm, it was Calphalon One, but not the non-stick version. What's the
difference between One and not-One?