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  • SmooveG
    NL
    2016-12-14 08:31:00

    Product as advertised, accurate enough for my purposes at this time. I received 5 times 80 pieces as expected.

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  • mullecy
    CH
    2017-12-19 14:04:25

    a fast test with various solutions (acid and base) was ok. the color has a tendency to go away and you can stain yourself or any surface that are in contact with the pH paper after it has been used.

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  • Moises
    MX
    2017-08-29 16:16:35

    Muy buen precio para lo recibido

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  • 2018-02-04 05:16:23

    good

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  • 2020-01-24 15:11:38

    chegou e é o esperado

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  • 2020-07-22 04:38:20

    ممتاز

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  • 2020-01-20 03:48:27

    Good quality items which have so far been acceptable for required use

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  • 2020-01-05 02:01:30

    arrivato tutto, perfetto

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  • 2019-12-05 14:46:28

    super

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  • adash
    BG
    2016-02-05 03:17:33

    The test strips are designed to work in the whole range of pH - from very acidic to very alkaline, which makes it less accurate for practical use. I got to use it only once so far, and I was able to determine that my solution had pH between 5.5 and 6.5 and not more precise. If you can live with an error of 1 in the pH scale, then this is for you. If you need a more accurate measurement, this is not for you. Buy a separate pH meter, or more specialized test strips, with limited range, but more ac

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