Re: treatment result
You need to add more sequestering agent. If you are getting a copper read, then there is copper that is not bound by the sequestering agent, and you need more, or the copper will fall out again when the chlorine gets back to normal, and if the ph gets high. The whole idea of the ascorbic acid treatment is to get the metals back into solution so that they can be sequestered. Remember to raise the chlorine slowly, and if you see stain start to form, then add more sequestering agent, keeping the ph under 7.2. Let us know how you make out,
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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