Hi again, I just received my FAS-DPD test kit. My FC is 15.5 ppm and the CC is 0.5 ppm. FC on the DPD only test this morning was around 20 ppm. Water looks good. Should I go back and shock it some more? I haven't added any Cl in about 30 hours.
Hi again, I just received my FAS-DPD test kit. My FC is 15.5 ppm and the CC is 0.5 ppm. FC on the DPD only test this morning was around 20 ppm. Water looks good. Should I go back and shock it some more? I haven't added any Cl in about 30 hours.
If the water looks clear and you think you have turned the corner, I'd probably test in the morning before you get a lot of sun on the pool and see how much cl you lost overnight. If you lost no more than 1ppm, I'd say you can start to let the cl drift down. But, if you lost more than 1ppm of chlorine, I'd keep it at shock level a little longer.
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