Thanks for your feedback guys ... very helpful. I've tried several times to talk to the supplier/installer, but they're playing hard to get and are proving to be disinterested now that they've got my money. I will try acetone as you suggest, to see if that helps in any way. At the end of the day I g...

I've just had a new granite kitchen benchtop installed a week ago. The workmanship is fine, but when it was being installed we noticed some strange shadows across the face of it (see attached photo). The installer wasn't too worried about it ... he just installed it and went on his merry way. Now th...