How do you get rid of orange/rust tinge on pool liner?

We have an inground pool that was covered with a mesh liner during off season (we live in New England). Since we had soooooooooo much rain, our pool finally cleared (to a degree) after about a week or so. BUT! We now noticed for the first time, our 2-year-old liner has an orange/rust colored tinge to it on the steps, some of the walls of the liner and parts of the bottom of the liner. We vaccuumed the heck out of it and added shock and all the other things one adds to no avail. Anyone know what this is, how to get rid of it and approximately how long it takes to go away?





Thank you all so much in advance!

How do you get rid of orange/rust tinge on pool liner?
shock will not remove a metal stain, which is probably what you have since it cannot be brushed up. the best course of action is to take a water sample into your local pool store and have them test for metals (iron) present in the water. the metals are an impurity existing in cheaper chemicals that were added during last year and have precipated, coating the liner and stairs. an iron chelating agent (if iron indeed is the culprit) should remove it within a few days.





in the future, it is best to buy higher grade chemicals from your local pool store. big box stores do sell cheaper, but the quality is poor and metal staining is always a problem since the chemicals arent as refined.