Controllers & Testing

  • Little Time or Temp - Lifegard

    19 Reward Points
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  • LED Digital Thermometer - Lifegard

    19 Reward Points
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  • Hanna Test Kit HI3831F - Free Chlorine for Fresh Water

    18 Reward Points
    $18.99
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  • HI775-11 Alkalinity Standards for HI775 Hanna Checker - Fresh Water

    18 Reward Points
    $18.99
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  • HI771-11 Total Chlorine UHR Standards

    18 Reward Points
    $18.99
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  • Red Sea pH / Alkalinity Test Kit

    18 Reward Points
    $18.99
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  • Red Sea Ammonia Test Kit

    18 Reward Points
    $18.99
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  • HI707-11 Nitrite LR Calibration Standards

    18 Reward Points
    $18.99

    Out of stock

  • HI700-11 Ammonia LR Calibration Standards for HI700 Hanna Checker - Fresh Water

    18 Reward Points
    $18.99

    Out of stock

  • HI749-11 Chromium VI LR Calibration Standards

    18 Reward Points
    $18.99

    Out of stock

  • HI716-11 Bromine Calibration Standards

    18 Reward Points
    $18.99
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  • Hanna Deionized Water HI70436 3.78 mL

    18 Reward Points
    $18.99
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  • HI705-11 Silica LR Calibration Standards Quick look

    HI705-11 Silica LR Calibration Standards

    18 Reward Points

    reg. $21.99

    Special Price: $18.69

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  • Hanna Test Kit HI3831T - Total Chlorine for Fresh Water

    17 Reward Points
    $17.99
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  • Elos KH (Alkalinity) Aqua Test Kit

    17 Reward Points
    $17.99
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  • Aqua Illumination Sol Interface Cable to Apex VDM Module - Neptune Systems

    17 Reward Points
    $17.99
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  • Elos Nitrite Aqua Test Kit Quick look

    Elos Nitrite Aqua Test Kit

    17 Reward Points

    reg. $20.99

    Special Price: $17.84

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  • Red Sea Calcium Pro Reagent Refill Kit

    16 Reward Points
    $16.99
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  • Red Sea Alkalinity Pro Reagent Refill Kit

    16 Reward Points
    $16.99
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  • Red Sea Magnesium Pro Reagent Refill Kit

    16 Reward Points
    $16.99
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  • HI758-11 Calcium Standards for HI758 Hanna Checker - Marine Water

    16 Reward Points
    $16.99
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  • Reagents for LaMotte Calcium Hardness Test Kit

    15 Reward Points
    $15.99
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  • Hanna Graduated 1 mL Syringe Set HI740142P (10 Piece)

    15 Reward Points
    $15.99
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  • 12V Power Supply - Neptune Systems

    15 Reward Points
    $15.99
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  • Float Switch Kits - Digital Aquatics

    15 Reward Points
    $15.99
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  • Salifert pH Aquarium Test Kit

    15 Reward Points
    $15.99
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  • Red Sea Iron Pro Reagent Refill Kit

    14 Reward Points
    $14.99
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  • HI708-25 Nitrite HR Reagents - Fresh Water

    14 Reward Points
    $14.99
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  • HI731318 Cuvette Cleaning Cloths

    14 Reward Points
    $14.99
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  • Hanna General Purpose Cleaning Solution HI7061L 500 mL

    14 Reward Points
    $14.99
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  • Carbonate REEFER Test Kit - NYOS

    14 Reward Points
    $14.99
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  • Digital Timer - OXO Good Grips

    14 Reward Points
    $14.99
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