Controllers & Testing

  • Nitrite Low Range Colorimeter HI707 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Red Sea Phosphate Pro (PO4) test kit

    42 Reward Points
    $42.99
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  • Silica Low Range Colorimeter HI705 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Alkalinity Colorimeter HI775 Hanna Checker HC - Fresh Water

    49 Reward Points
    $49.99
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  • Refractometer for Reading Salinity with Calibration Fluid

    39 Reward Points
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  • Free Chlorine Colorimeter HI701 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Elos Magnesium Aqua Test Kit

    27 Reward Points
    $27.99
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  • Total Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker HC - Fresh Water

    52 Reward Points
    $52.99
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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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  • Nitrite High Range Colorimeter HI708 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Elos Nitrate Aqua Test Kit

    27 Reward Points
    $27.99
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  • Elos Ammonia Aqua Test Kit

    29 Reward Points
    $29.99
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  • Ammonia Medium Range Colorimeter HI715 Hanna Checker HC - Fresh Water

    49 Reward Points
    $49.99
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  • Bromine Colorimeter HI716 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Elos Phosphate Aqua Test Kit

    27 Reward Points
    $27.99
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  • Total Chlorine Ultra High Range Colorimeter HI771 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Elos pH Marine Aqua Test Kit

    17 Reward Points
    $17.99
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  • Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker HC - Marine Water

    49 Reward Points
    $49.99
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  • Elos KH (Alkalinity) Aqua Test Kit

    17 Reward Points
    $17.99
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  • Chromium VI Low Range Colorimeter HI749 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker HC - Marine Water

    49 Reward Points
    $49.99
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  • Ammonia High Range Colorimeter HI733 Hanna Checker HC - Fresh Water

    49 Reward Points
    $49.99
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  • Color of Water Colorimeter HI727 Hanna Checker HC - Fresh & Marine Water

    48 Reward Points
    $48.99
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  • Iodine Colorimeter HI718 Hanna Checker HC - Fresh Water

    48 Reward Points
    $48.99
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  • Iron Colorimeter HI721 Hanna Checker HC - Fresh water

    52 Reward Points
    $52.99
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  • Phosphate High Range Colorimeter HI717 Hanna Checker HC - Fresh & Marine Water

    49 Reward Points
    $49.99
    Please wait...
  • Ammonia Low Range Colorimeter HI700 Hanna Checker HC - Fresh Water

    49 Reward Points
    $49.99
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  • ReefKeeper RD1 Remote Display 1 - Digital Aquatics

    69 Reward Points
    $69.99
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  • ReefKeeper APC Advanced Pump Controller - Digital Aquatics

    129 Reward Points
    $129.99
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  • ReefKeeper AP1 Advanced Probe 1 - Digital Aquatics

    79 Reward Points
    $79.99
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  • ORP Probe - Neptune Systems

    Starting at: $69.99

  • pH Probe - Neptune Systems

    Starting at: $44.99

  • Solid Surface Advanced Leak Detection Probe - Neptune Systems

    29 Reward Points
    $29.99
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  • Low-Profile Advanced Leak Detection Probe - Neptune Systems

    29 Reward Points
    $29.99
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  • AquaBus Cable - Neptune Systems

    Starting at: $12.99

  • Milwaukee MC120 pH Monitor

    89 Reward Points
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  • Milwaukee MC122 pH Controller

    114 Reward Points
    $114.99
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  • Milwaukee MW500 ORP Monitor

    109 Reward Points
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  • Milwaukee pH600 pH Meter Pen

    24 Reward Points
    $24.99
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  • Milwaukee MC510 ORP Controller

    129 Reward Points
    $129.99
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  • Milwaukee MW101 pH Meter w/Battery

    79 Reward Points
    $79.99
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  • Milwaukee SMS125 pH/ORP Controller Combo

    214 Reward Points
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  • PINPOINT pH Monitor

    99 Reward Points
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  • PINPOINT pH Controller

    219 Reward Points
    $219.99
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  • PINPOINT ORP Monitor

    129 Reward Points
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  • PINPOINT ORP Controller

    215 Reward Points
    $215.99
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  • PH-200 Waterproof pH Meter - HM Digital

    79 Reward Points
    $79.99
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  • PINPOINT Salinity Monitor Quick look

    PINPOINT Salinity Monitor

    110 Reward Points

    reg. $129.99

    Special Price: $110.49

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  • Neptune Systems Conductivity Calibration Solution

    Starting at: $2.99

  • Lab Grade Conductivity/Salinity Probe - Neptune Systems

    124 Reward Points
    $124.99
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  • 2 Channel Apex to Tunze Stream Cable - Neptune Systems

    19 Reward Points
    $19.99
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  • Aqua Illumination Sol Interface Cable to Apex VDM Module - Neptune Systems

    17 Reward Points
    $17.99
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  • 2 Channel Apex to Light Dimming Cable - Neptune Systems

    14 Reward Points
    $14.99
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  • Temperature Probe - Neptune Systems

    29 Reward Points
    $29.99
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  • ReefKeeper ALC Dimmable T5 & Aqua Illumination Sol LED Controller - Digital Aquatics

    79 Reward Points
    $79.99
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  • ReefKeeper NET Internet Module - Digital Aquatics

    119 Reward Points
    $119.99
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  • ReefKeeper HUB Bus Hub - Digital Aquatics

    37 Reward Points
    $37.99
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  • ReefKeeper PC4 Power Bar Module - Digital Aquatics

    89 Reward Points
    $89.99
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  • Digital Aquatics ReefKeeper MLC Lunar Light Module

    Starting at: $69.99

  • Digital Aquatics ReefKeeper Lunar Pod

    Starting at: $9.99

  • Hamilton 24-Hour Grounded Timer

    11 Reward Points
    $11.99
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  • Float Switch Kits - Digital Aquatics

    15 Reward Points
    $15.99
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  • ReefKeeper Switch Adapter Kit - Digital Aquatics

    9 Reward Points
    $9.99
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  • Temp Probe (For Elite) - Digital Aquatics

    24 Reward Points
    $24.99
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