My Cart (0 items)

Controllers, Monitors & Testing

Test Kits
Test Kits
Neptune Systems - Apex
Neptune Systems - Apex
Digital Aquatics ReefKeeper
Digital Aquatics ReefKeeper
Milwaukee
Milwaukee
Pinpoint
Pinpoint
Hydrometers & Refractometers
Hydrometers & Refractometers
Hanna Checker Colorimeters
Hanna Checker Colorimeters
Timers & Thermometers
Timers & Thermometers
Probes & Accessories
Probes & Accessories
32 / 64
High / Low
  • Low-Profile Advanced Leak Detection Probe - Neptune Systems

    29 Reward Points
    $29.99
    Please wait...
  • AquaBus Cable - Neptune Systems

    Starting at: $12.99

  • Milwaukee MC120 pH Monitor

    89 Reward Points
    Please wait...
  • Milwaukee MC122 pH Controller

    119 Reward Points
    $119.99
    Please wait...
  • Milwaukee MW500 ORP Monitor

    109 Reward Points
    Please wait...
  • Milwaukee pH600 pH Meter Pen

    24 Reward Points
    Please wait...
  • Milwaukee MC510 ORP Controller

    129 Reward Points
    Please wait...
  • Milwaukee MW101 pH Meter w/Battery

    79 Reward Points
    Please wait...
  • Milwaukee SMS125 pH/ORP Controller Combo

    214 Reward Points
    Please wait...
  • PINPOINT pH Monitor

    99 Reward Points
    Please wait...
  • PINPOINT pH Controller

    199 Reward Points
    Please wait...
  • PINPOINT pH Replacement Probe

    44 Reward Points
    Please wait...
  • PINPOINT ORP Monitor

    119 Reward Points
    Please wait...
  • PINPOINT ORP Controller

    199 Reward Points
    Please wait...
  • Lunar Simulator Module: LSM & Lunar LED String - Neptune Systems

    Starting at: $29.99

  • PH-200 Waterproof pH Meter - HM Digital

    79 Reward Points
    $79.99
    Please wait...
  • PINPOINT ORP Replacement Probe

    74 Reward Points
    Please wait...
  • PINPOINT Salinity Monitor

    119 Reward Points
    Please wait...
  • Neptune Systems Conductivity Calibration Solution

    Starting at: $2.99

  • ReefKeeper SL1 pH and ORP Module - Digital Aquatics

    69 Reward Points
    $69.99
    Please wait...
  • Lab Grade Conductivity/Salinity Probe - Neptune Systems

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

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

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

    14 Reward Points
    $14.99
    Please wait...
  • Temperature Probe - Neptune Systems

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

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

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

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

    89 Reward Points
    $89.99
    Please wait...
  • 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
    Please wait...
  • Float Switch Kits - Digital Aquatics

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

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

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

    24 Reward Points
    $24.99
    Please wait...
  • ReefKeeper PC1 Expansion Socket (Bus connection for Elite)

    69 Reward Points
    $69.99
    Please wait...
  • ReefKeeper Expansion Socket - Digital Aquatics

    49 Reward Points
    $49.99
    Please wait...
  • Milwaukee pH Calibration Fluid - Single Use Packet

    Starting at: $0.99

  • Milwaukee Protective Hardshell Case for Refractometer

    22 Reward Points
    $22.99
    Please wait...
  • MQ-200 Quantum Separate Sensor with Handheld PAR Meter

    379 Reward Points
    $379.99

    Out of stock

  • Milwaukee pH Calibration Fluid - Box of 25 Single Use Packets

    Starting at: $22.99

  • PINPOINT ORP (Redox) 400 Calibration Fluid

    2 Reward Points
    Please wait...
  • PINPOINT pH High Precision Calibration Fluid

    Starting at: $0.99

  • PINPOINT Salinity Calibration Fluid

    7 Reward Points
    $7.99
    Please wait...
  • PINPOINT Probe Storage Fluid

    9 Reward Points
    Please wait...
  • ORP-200 Waterproof ORP Meter - HM Digital

    89 Reward Points
    $89.99

    Out of stock

  • Milwaukee MA957 CO2 Regulator

    99 Reward Points
    Please wait...
  • Vertex Sensor-Mag XD Probe Holder

    31 Reward Points
    $31.99
    Please wait...
  • Vertex Sensor-Mount

    11 Reward Points
    $11.99
    Please wait...
  • Vertex Titanium Grounding Pole

    14 Reward Points
    $14.99
    Please wait...
  • Vertex Sensor-Mag Probe Holder

    29 Reward Points
    $29.99
    Please wait...
  • ReefKeeper Float Switch Bracket Kit - Digital Aquatics

    Starting at: $24.99

  • Milwaukee MA955 CO2 Solenoid Valve

    39 Reward Points
    Please wait...
  • AI Wireless Module: AWM - Neptune Systems

    124 Reward Points
    $124.99
    Please wait...
32 / 64
High / Low