You should be checking the chlorine and adding as required. Your pH is most surely not 9-10. Probably an artifact of the high chlorine interfering with your test.
Post your numbers for chlorine and CYA to get better answers. It will clear up.
You should be checking the chlorine and adding as required. Your pH is most surely not 9-10. Probably an artifact of the high chlorine interfering with your test.
Post your numbers for chlorine and CYA to get better answers. It will clear up.
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