Controllers & Testing

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  • Milwaukee Instruments Electrode Rinse Solution, Single Use Packets

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  • Milwaukee pH Calibration Fluid - Single Use Packet

    Starting at: $0.99

  • PINPOINT pH High Precision Calibration Fluid

    Starting at: $0.99

  • pH/ORP Probe Holder with Suction Cup Quick look

    pH/ORP Probe Holder with Suction Cup

    1 Reward Points

    reg. $1.99

    Special Price: $1.69

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  • Neptune Systems Conductivity Calibration Solution

    Starting at: $2.99

  • PINPOINT ORP (Redox) 400 Calibration Fluid

    2 Reward Points
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  • BRS pH/ORP Probe Tip Soaker Bottle Quick look

    BRS pH/ORP Probe Tip Soaker Bottle

    3 Reward Points

    reg. $3.99

    Special Price: $3.39

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  • HI706-25 Phosphorus HR reagents - Fresh Water

    5 Reward Points
    $5.99
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  • PINPOINT Salinity Calibration Fluid

    7 Reward Points
    $7.99
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  • Aqua Craft Refractometer Calibration Fluid

    7 Reward Points
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  • HI718-25 Iodine Reagents - Fresh water

    8 Reward Points
    $8.99
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  • HI716-25 Bromine Reagents - Fresh Water

    8 Reward Points
    $8.99
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  • HI736-25 Phosphorus ULR Reagents - Marine Water

    8 Reward Points
    $8.99
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  • HI721-25 Iron Reagents - Fresh Water

    8 Reward Points
    $8.99
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  • Insta-Test Free Chlorine Strips (Fresh Water) - LaMotte

    8 Reward Points
    $8.99
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  • HI711-25 Total Chlorine Reagents - Marine & Fresh Water

    8 Reward Points
    $8.99
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  • HI764-25 Nitrite ULR Reagents for HI764 Checker - Marine Water

    8 Reward Points
    $8.99
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  • HI749-25 Chromium VI LR reagents - Fresh Water

    8 Reward Points
    $8.99
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  • Insta-Test Total Chlorine Strips (Fresh Water) - LaMotte

    8 Reward Points
    $8.99
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  • HI755-26 Alkalinity Checker Reagents - Marine Water

    8 Reward Points
    $8.99
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  • HI701-11 Free Chlorine Standards for HI701 Hanna Checker - Fresh Water Quick look

    HI701-11 Free Chlorine Standards for HI701 Hanna Checker - Fresh Water

    9 Reward Points

    reg. $10.99

    Special Price: $9.34

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  • HI713-25 Phosphate Checker Reagents - Marine & Fresh Water

    9 Reward Points
    $9.99
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  • HI717-25 Phosphate HR Reagents

    9 Reward Points
    $9.99
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  • ReefKeeper Bus Cables - Digital Aquatics

    Starting at: $9.99

  • Digital Aquatics ReefKeeper Lunar Pod

    Starting at: $9.99

  • PINPOINT Probe Storage Fluid

    9 Reward Points
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  • ReefKeeper Switch Adapter Kit - Digital Aquatics

    9 Reward Points
    $9.99
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  • HI706-11 Phosphorus HR Calibration Standards

    10 Reward Points
    $10.99

    Out of stock

  • HI711-11 Total Chlorine Standards for HI711 Hanna Checker - Fresh Water

    10 Reward Points
    $10.99
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  • JBJ Digi-Temp2 Thermometer and Probe

    10 Reward Points
    $10.99

    Out of stock

  • HI761-11 Total Chlorine ULR Standards

    10 Reward Points
    $10.99
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  • HI718-11 Iodine Calibration Standards

    10 Reward Points
    $10.99
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