Metal stains or something else?

May 29, 2018
35
Conway, AR
In the middle of a long long slam (in week 3+), I really let the pool go after a winter. I've got some stains that are just not wanting to come up with brushing and only get a little lighter when scrubbing with something like a magic eraser or something.
 

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If isolated, use the sock and vitamin C method to remove them.
If widespread, then an AA treatment. But you might want to wait until late fall.
 
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