Using the notebook and just not used to the small keyboard! That's what I get for perusing the board by the pool instead of soaking in the hot tub with a beverage!
Re: Difference in PPM, which one is correct?
Using the notebook and just not used to the small keyboard! That's what I get for perusing the board by the pool instead of soaking in the hot tub with a beverage!
Retired pool store and commercial pool maintenance guy.
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