Agree, I'm pretty confident I have a handle on the testing. I think I just expected to see higher CC given the amount of green that should be getting consumed by the FC. But I didn't know that CC was fairly transient or that it was consumed by FC. So that was kinda a light bulb. Agree the filter is still a wildcard. I don't know how well it is or isn't working. I don't consider the filter new per se, but I do know (from the prior owner) that a pool company replaced the sand a year ago and I would think would have checked out the state of the internals. The pervious owner had good specific records on a number of unrelated pool maintenance items so I believe them. I have not yet cracked it open to check it out.
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