Controllers & Testing

  • 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 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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  • Hanna Test Kit HI3831T - Total Chlorine for Fresh Water

    17 Reward Points
    $17.99
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  • Elos pH Marine Aqua Test Kit

    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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  • 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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  • Red Sea Ammonia Test Kit

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

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

    18 Reward Points
    $18.99
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  • 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
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  • 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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  • Red Sea Iodine Pro Reagent Refill Kit

    19 Reward Points
    $19.99
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  • HI775-25 Alkalinity Reagents - Fresh Water

    19 Reward Points
    $19.99
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  • Reagents for LaMotte Alkalinity Test Kit

    19 Reward Points
    $19.99
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  • HI715-11 Ammonia MR Standards for HI715 Hanna Checker - Fresh Water

    19 Reward Points
    $19.99
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  • HI733-11 Ammonia HR Standards for HI733 Hanna Checker - Fresh Water

    19 Reward Points
    $19.99
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  • Salifert kH/Alkalinity Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Magnesium REEFER Test Kit - NYOS

    19 Reward Points
    $19.99
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  • Calcium REEFER Test Kit - NYOS

    19 Reward Points
    $19.99
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  • Digital Heater Calibration Thermometer - OXO Good Grips

    19 Reward Points
    $19.99
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  • EcoPlus Dual Digital Timer

    19 Reward Points
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  • Hamilton 24-Hour Grounded Digital Timer

    19 Reward Points
    $19.99
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  • Triple Digital Timer - OXO Good Grips

    19 Reward Points
    $19.99
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  • 2 Channel Apex to Tunze Stream Cable - Neptune Systems

    19 Reward Points
    $19.99
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  • Salifert Copper Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Salifert Ammonia Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Salifert Nitrite Aquarium Test Kit

    19 Reward Points
    $19.99
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  • Little Time or Temp - Lifegard

    19 Reward Points
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  • LED Digital Thermometer - Lifegard

    19 Reward Points
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  • Hanna Glass Cuvette Set HI731321 (4 Piece)

    20 Reward Points
    $20.99
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  • Hanna Demineralized Water HI740230 230 mL

    20 Reward Points
    $20.99

    Out of stock

  • LaMotte Armored Thermometer

    20 Reward Points
    $20.99
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  • Elos Nitrite Aqua Test Kit Quick look

    Elos Nitrite Aqua Test Kit

    21 Reward Points

    reg. $24.99

    Special Price: $21.24

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  • Red Sea Nitrate / Nitrite Test Kit

    21 Reward Points
    $21.99
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  • HI715-25 Ammonia MR reagents - Fresh Water

    21 Reward Points
    $21.99
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  • Salifert Silicate Aquarium Test Kit

    21 Reward Points
    $21.99

    Out of stock

  • HI708-11 Nitrite HR Standards for HI708 Hanna Checker - Fresh Water

    22 Reward Points
    $22.00
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  • Red Sea Phosphate Pro Reagent Refill Kit

    22 Reward Points
    $22.99
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  • HI758-25 Calcium Checker Reagents - Marine Water

    22 Reward Points
    $22.99
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  • Milwaukee Protective Hardshell Case for Refractometer

    22 Reward Points
    $22.99
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  • Milwaukee pH Calibration Fluid - Box of 25 Single Use Packets

    Starting at: $22.99

  • Salifert Flatworm Exit Aquarium Test Kit

    22 Reward Points
    $22.99
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  • HI733-25 Ammonia HR Reagents - Fresh Water

    23 Reward Points
    $23.99
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  • Salifert Calcium Aquarium Test Kit

    23 Reward Points
    $23.99
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  • Phosphate REEFER Test Kit - NYOS

    24 Reward Points
    $24.99

    Out of stock

  • Nitrate REEFER Test Kit - NYOS

    24 Reward Points
    $24.99
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  • Milwaukee pH600 pH Meter Pen

    24 Reward Points
    $24.99
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  • Temp Probe (For Elite) - Digital Aquatics

    24 Reward Points
    $24.99
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  • Temp Probe (for Lite) - Digital Aquatics

    24 Reward Points
    $24.99
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  • Salifert Nitrate Aquarium Test Kit

    24 Reward Points
    $24.99
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  • Elos Calcium Aqua Test Kit Quick look

    Elos Calcium Aqua Test Kit

    25 Reward Points

    reg. $29.99

    Special Price: $25.49

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  • Fauna Marin Multi Reference Solution

    25 Reward Points
    $25.99
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  • Red Sea Potassium Pro Reagent Refill Kit

    26 Reward Points
    $26.99
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  • HI705-25 Silica LR Reagents for HI 705 - Fresh water

    26 Reward Points
    $26.99
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