Vinyl Liner Stain - PoolRX

shehzadg

New member
Jun 1, 2023
3
Houston
Pool Size
22000
Surface
Vinyl
Chlorine
Liquid Chlorine
Noticed this stain after a couple of weeks of adding a PoolRX, not sure if this is the problem from the copper or something else. I scrubbed and it's definitely a stain, any clue how to remove it?
 

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Welcome to the forum.
If copper, with a vinyl liner, you will live with it until you replace the liner.
Throw away the Pool Rx thing.

If you want to test the stain, try putting 15 to 20 Vitamin C tablets in a sock and crush them. Hold the sock on the stain for 3 to 5 minutes. If the stain vanishes or lightens then it is iron.
 
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