Removing Dark Stain on Vinyl Floor?
It could be adhesive underneath has caused a chemical reaction and seeped upwards.. or it could be there is water leaking UNDER the floor.. best to get it checked out rather than wait and have more damage
Bath Mats Left Yellow Stain on Linoleum Floor?
Unfortunately, the rubber backing on the back of the rug causes a chemical reaction with the linoleum and turns it yellow. Supposedly the yellowing can be gotten off but I have not done this myself. Take a look at the many videos regarding the removal of yellow...
