On Fri, 20 Aug 2010 18:54:48 +0100, Apples wrote:

Never really noticed it before this year, but a few times I have
boiled potatoes they start developing black marks/stains the more they
boil. The spuds looked clean with no blights after I peel them.
Anything to worry about and why?

You might like to have a butchers (or just a look if you're
vegetarian) at the Potato Council's website at

http://www.potato.org.uk/department/...?menu_pos=sbeu

There's a website for everything out there somewhere ;-))