Naked Science Forum

Non Life Sciences => Chemistry => Topic started by: thedoc on 22/04/2016 19:50:01

Title: How can I change the colour of a stain?
Post by: thedoc on 22/04/2016 19:50:01

Dave asked the Naked Scientists:
   I have a customer with a blue stain on a carpet. The carpet is red, can I bring the blue back to red?
What do you think?