Try putting a vitamin C tablet on the stain, if the stain lightens up or disappears, then it is a metal stain. If you rub some chlorine on it and it disapperas, then it is organic.
Re: golden brown stains on vinyl liner
Try putting a vitamin C tablet on the stain, if the stain lightens up or disappears, then it is a metal stain. If you rub some chlorine on it and it disapperas, then it is organic.
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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