Aquachek the history of test strips

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    History of Test StripsLate 1950

    s first modern test strip used todetect glucose in urine (urinalysis)Early 1960

    s development of strips for serum and blood analysisToday test strips are the most frequentlyused test method for blood glucose testing

    and urinalysis Ames division of Miles - other applicationsfor test strips, including pool and spa stripsdeveloped in early 1980

    s

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    Test Strip Technology isnot unique to the Pool

    and Spa IndustryMedical

    Food Quality Aquarium Agricultural

    Automotive

    Water QualityForensicsMetallurgy

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    Why Test Strips?

    Many same chemicalreactions as liquid kits

    ConvenienceFaster More TestsEasier

    AccuracyEconomical

    Save Time and Money

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    How We See Color

    Several HUES with varying saturation.Varying Value (Lightness).

    Changes in hue are easier to distinguish!

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    Reacting Pads consist of:

    - Absorbent pad for sample uptake- Chemicals for color reactions- Chemicals for long shelf life- Chemicals for long use life

    Test Strip consists of:- Plastic handle- Reacting Pads

    pH

    This test Strip measures all of the following parameters witha simple dip, remove and notethe resulting color.

    Total Dissolved Solids

    Cyanuric Acid

    Total Alkalinity

    Free Chlorine

    Total Chlorine

    Total Hardness

    Test Strips for Pool Water Analysis- A close look

    Convenience

    Test strips are far more scientific than most people

    realize, but we take care of the science for you.

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    Convenience

    Most tests completed in 15 to 45seconds.

    As many as 7 different tests can beincluded on one test strip

    Anyone can use test strips

    Small container size to store andtransportNo mess - no clean up

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    Test Strip

    Directions:Dip strips into the water for onesecond, remove. Hold strip levelfor 15 seconds. Compare pad tocolor chart.

    0

    1 5

    3 0

    5 0

    L o w

    G o o

    d

    Simple activation and use. To use, we dip the strip and match reacted colors toreference blocks ...

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    ACCURACY

    Test strips can be as accurate as anyother testing method

    Independence of user technique makestest strips accurate for wide range of users

    General rule of thumb concerningaccuracy for test strips - accurate towithin 1/2 color block

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    ACCURACY/PRECISION

    Test strips require color distinction betweenreference color blocks that is obvious to auser with normal color acuity. This means thatall of the concentration increments availablewith other methods are not practical for visually read strips

    Color Blocks developed at critical levels toallow the user to make meaningful decisionson treatment options

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    Ensure Accuracy

    Ideal storage conditions - low humidityat room temperature

    40 C ( 104 F ) at least 6 to 8 weeks50

    C ( 122

    F ) at least 4 to 5 weeksCap tightly sealed with desiccant in bottle

    Handle strips with dry fingersFollow directions precisely

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    Evidence of AccuracyonBalance Research Study Summarized inService Industry News

    1000 Pools in the Arizona and Southern CaliforniaareaTest strips compared to liquids and both comparedto ASTM lab methodsTest strips were found to be as accurate as liquids,and in some cases even better Quotes from the SIN article:

    Test strips were

    quick to use, easy to use and easy toteach someone to use

    Based on Research results, onBalance reports that theyhave begun purchasing test strips for their firms use

    Not all strips are equal

    an ongoing problem with crosscontamination from pad to pad

    with Test Strip B.

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    Evidence of Accuracy

    A comparison of ion chromatography, acolorimetric assay and a test kit for measuring the nitrate content of well water showed that, despite considerabledifferences among methods, results weregenerally in good agreement. Inexpensive,easy to use test strips offer a definiteadvantage when analysis facilities and/or time are limited.

    Department of Food Science and Agronomy, PurdueUniversity

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    Economical

    Multiple parameter test strips will costabout as much as all replacement

    reagents needed to do the same testsHuge savings in time and thereforemoney

    New users require little or no training touse the test strips

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    Test Strips Available

    Free and Total ChlorineBromineBiguanideMonopersulfateCyanuric AcidpHTotal AlkalinitySaltHigh Range FreeChlorine

    HardnessIron

    Copper NitrateNitriteTotal Dissolved Solids

    (TDS)BorateHydrogen Peroxide

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    AquaChek Professional

    Service KitTest 16 Chemistrieswith one kit

    Save valuable timein testingMeets regulatoryrequirements FASDPDWaterproof treatment guide

    Special Price

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    Frequently Asked

    QuestionsTemperature differenceExpiration datesDifferent results with liquid kit and teststrips - FACTS

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    AquaChek Pool and Spa

    StripsQuick test

    Accurate

    Easy to use

    Convenient for serviceand pool owner

    Double check other testing methods