Seems to be, I have a PWT, and have checked it's readings, so it seems to be functioning correctly. My CS reads the same as always, approx 10-14 ppm. I usually put a little H202 in some of it (I leave it out for misting eyes).
sol

William Amos wrote:

Sol:
All things considerd. Is your CS up to par ?
Just a thought.

Bill Amos


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