Post a set of your chemistry numbers. It sounds like it may be metal staining. You can tell by crushing up some vitamin C tablets in a sock and rub it on the stain. If the stain lightens, it is a metals stain. Let us know your results.
Re: brown walls and bottom
Post a set of your chemistry numbers. It sounds like it may be metal staining. You can tell by crushing up some vitamin C tablets in a sock and rub it on the stain. If the stain lightens, it is a metals stain. Let us know your results.
Northeast PA
16'x32' kidney 16K gal IG fiberglass pool; Bleach; Hayward 200lb sand filter; Hayward pump; 24hrs; Pf200; well; summer: none; winter: mesh; ; PF:7.5
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