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Keeping your pool or spa water balanced doesn't have to be a guessing game.
This 2-in-1 digital tester measures both pH and chlorine levels quickly and accurately, so you know exactly what's going on with your water chemistry.
The recommended ranges are pH 7.


It's got a high-quality metal probe that's sensitive, durable, and corrosion-resistant.
The unit runs on one AA battery (not included) and is compact enough to toss in your pool bag or keep in the shed.
It even comes with a piece of sandpaper for gentle probe maintenance, which is a nice touch that most cheap testers skip.


One important note: only use this in pool or spa water—don't submerge the probe in other liquids.



4.9 out of 5