Quote Originally Posted by mbar
There are some posters on the board that said they used the "Magic Eraser" I think it is by Mr. Clean. They have used it on their vinyl liner pools and said it works like "magic" Since the line goes away when raising the water level, I doubt the stain is from metals. I would try the magic eraser, you can find it at any grocery store. Let us know how it works.
Yes!!! I just removed the same scumline stain with little "elbow-grease" using the Magic Eraser! Try it...it works!!