Pool liner and skimmer stains

mmartin0028

New member
Jul 10, 2020
1
37075
Hello,

My pool has a brown stain going around the liner at the water line and on the skimmers and steps. No matter how much I scrub, I cannot get rid of it.

I tested the water and the PH and Free Chlorine looks good. Can someone tell me the cause of of the staining and how to get rid of it?20200717_065648.jpg20200717_065637.jpg

Thanks.

Mike
 

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borjis

LifeTime Supporter
Aug 19, 2014
3,284
Pacific NW
Very likely to be iron staining. Mine is stained as well and I'm not on well water. Not quite as much though. An ascorbic acid treatment should lift them. Try a sock full of crushed vitamin c tablets on a brown area. It should lift the stain.