Re: Stains and test results..........
I think any vitamin C would work. Even laying a tablet on the stain should let you know if it is lifting. Fast disolving is good - ascorbic acid is a powder. You can also use ph down if you have any - put it in a sock and rub it on the stain, or let it set on the stain for a while, not too long, and see if it lifts or lightens.
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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