On Thu, 23 Feb 2017 10:21:51 +0000, The Natural Philosopher
wrote:



It does stain.

shouldn't do. If its actually granite

Marble stains...

I've never had a granite worktop stain tho

Isn't this a fine line in the difference between porosity and
permeability?
Some granites will stain fairly easily and as far as joe bloggs
dealing with a kitchen salesman its easier to ust tell him that it can
stain and needs a sealer.
If Granite doesn't allow stuff in how does it let Radon gas out.

G.Harman