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The Smart Spear pH Pocket Tester powered by ZenTest Mobile App is the next-generation water tester designed for providing seamless water test experience for soft-solid samplings and general water solutions. Professional pH tests now becomes easier than ever. Just connect the tester to the ZenTest App in your smartphone with Bluetooth, the step-by-step smart guides will lead you to become a water test professional with just a few taps.
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