AQUARIUM CONTROLLERS & MONITORS (66)
Best selling Best selling
  • Neptune DOS Quiet Drive - Fluid Metering System
    $349.99
    No reviews

    DOS- Quiet Drive The best selling dosing pump has gotten better and what’s that- quieter! ▪ 1.5 times quieter (4...

  • Hydros Launch Controller
    $604.99
    No reviews

    BLAST Into the Future of Aquarium Control  The HYDROS Launch is a multifaceted aquatic support system that combines various features...

  • Neptune Systems A3 Apex System
    $629.99
    No reviews

    An Apex monitored aquarium is a successful aquarium! Introducing the exciting all-new A3 Series of Apex controllers. From the Jr....

  • HYDROS Minnow Controller
    $274.99
    No reviews

    HYDROS Minnow, Aquarium Monitoring with Twin Micro Dosing Pumps The HYDROS Minnow features two independent micro-liquid dosing pumps for precise...

  • Neptune A3 Apex Pro System
    $945.99
    No reviews

        An Apex monitored aquarium is a successful aquarium! Introducing the exciting all-new A3 Series of Apex controllers. From...

  • HYDROS Control XP8 (Controller Only)
    $331.09
    No reviews

        Please note: CONTROL XP8 ONLY - Nothing else is included.   Achieve Ultimate Security with the HYDROS Control...

  • HYDROS Control XS Starter Kit
    $236.49
    No reviews

    It doesn’t just make SENSE, it Controls too! The HYDROS Control XS Starter Kit is the ideal solution for small...

  • American Marine Pinpoint ORP Monitor w/probe
    $149.00
    No reviews

    PINPOINT ORP Monitor" will measure the ORP (oxidation-reduction potential, or REDOX) of your system. It is popular with those who...

  • Milwaukee MC122 pH Controller
    $174.40
    No reviews

    With Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels.    The Milwaukee Instruments "MC" Controllers have...

  • Hydros Control X3-S Salinity (Controller Only)
    $247.49
    No reviews

    CONTROLLER ONLY. Requires a mobile device and power supply (not included) and a Salinity Probe Kit for conductivity monitoring (also...

  • Neptune Trident NP - Marine Aquarium Water Analyzer - Nitrate & Phosphate + 2 Month NP Reagent
    $709.98
    No reviews

    Includes the Trident NP + 2 Month NP Reagents Trident NP The best selling automated tester ever released has been...

  • Trident & A3 Apex Controller System Bundle
    $1,239.90
    No reviews

    Start your aquarium with the proper control system!   Fully automate your aquarium with the A3 Apex Controller System, and...

  • Coralvue HYDROS Control 4 Starter Pack
    $532.39
    No reviews

    Achieve Ultimate Aquarium Control with the HYDROS Control 4 Starter Pack This starter kit includes all essential equipment needed to...

  • Coralvue HYDROS Control 4 (Controller Only)
    $413.59
    No reviews

    Please note: CONTROL 4 ONLY - Nothing else is included.   Achieve Ultimate Aquarium Control with the HYDROS Control 4...

  • Seneye Reef Pack - Includes Dri Box & SWS Wifi
    $539.99

    OUT OF STOCK

    No reviews

    Includes the Seneye Dri box and SWS Wifi Units Are your corals not as vibrant as you expect? Have you...

  • American Marine Pinpoint pH Monitor w/probe
    $94.99
    No reviews

    The PINPOINT pH Monitor" is in use by thousands of customers worldwide. This affordable unit remains the only full-time pH...

  • American Marine Pinpoint ORP Probe
    $59.99
    No reviews

    PINPOINT ORP Replacement Probe 10 foot cord, Ag-Ag/Cl reference, platinum wire sensor, extended life, high supression cable jacket. Can be...

  • Hydros Blenny Aquarium Controller and Micro Dosing Pumps
    $429.99
    No reviews

    HYDROS Blenny is an aquarium controller with four micro-liquid dosing pumps for precise dosing of two-part and trace elements. It...

  • Milwaukee MC120 pH Monitor w/probe - OPEN BOX RETURN
    $99.15 $116.65
    No reviews

    OPEN BOX RETURN - Save 15% Professional pH monitor especially designed for use with aquariums. User selectable Hi/Low Set Point...

  • pH Tester- OPEN BOX RETURN
    $21.24 $24.99
    No reviews

    OPEN BOX RETURN- SAVE 15% Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH...

  • TECOnnect WIFI MODULE
    $149.99
    No reviews

    TECOnnect WIFI MODULE      Compatible with ALL TK-500, TK-1000, TK-2000 The TECOnnect wifi module is an easy to install...

  • HYDROS Sole Continuous-Duty Liquid Dosing Pump
    $329.99
    No reviews

    Controller Designed for Continuous-Duty Liquid Dosing Applications The HYDROS Sole is an aquarium controller hybrid with a heavy-duty liquid dosing...

  • Hydros IV PRO
    $219.99
    No reviews

    Isolation is the Key to Accurate Tests About HYDROS iV PRO Drive Port Accessory To obtain precise pH and conductivity...

  • Neptune Trident NP - Marine Aquarium Water Analyzer - Nitrate & Phosphate
    $649.99
    No reviews

    Trident NP (Reagents sold separately) The best selling automated tester ever released has been modified to now test Nitrates and...

  • Neptune Trident & A3 Apex Pro Controller System Bundle
    $1,539.90
    No reviews

    Control and Monitor your Aquarium with ease    Built in WiFi, key parameter monitoring, and reliable equipment control. Regular automated...

  • HYDROS Kraken 24V Power Center
    $659.99
    No reviews

    The Kraken introduces a new concept in aquarium controllers and provides high-power 24V DC switched outputs and a large heavy-duty...

  • Hydros Control X10 Dosing Aquarium Controller
    $879.99
    No reviews

    The Control X10 is the ultimate HYDROS system controller with twin Drive ports, four Sense ports, a pH/ORP port, a...

  • Red Sea ReefATO+ Upgrade Kit (for existing REEFER aquarium owners)
    $200.00
    No reviews

    Upgrade kit will not include magnet mount.  It is meant to be installed where the ato float switch is installed...

  • HYDROS Control XD
    $236.49
    No reviews

    A HYDROS controller with 3 Universal Drive Ports dedicated to powering small 12V devices. Capable of driving cabinet LEDs, solenoids,...

  • Hanna Marine Monitor 981520 pH/Salinity/Temperature
    $299.99
    No reviews

    Hanna Marine 981520 Monitor  Marine Monitor pH, Marine Salinity and Temperature Testing and monitoring salinity in saltwater aquariums is an...

  • Neptune Systems A3 Apex JR
    $299.95
    No reviews

    An Apex monitored aquarium is a successful aquarium! Introducing the exciting all-new A3 Series of Apex controllers. From the Jr....

  • Hydros WaveEngine v2
    $354.19
    No reviews

    Simplify the Way We Manage Flow Within Our Aquariums The HYDROS WaveEngine v2 can control, monitor, and even supply power...

  • HYDROS Control X3 / XP8 PRO Pack
    $579.99
    No reviews

    The HYDROS Control X3 Pro Pack includes the Control X3 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

  • HYDROS Control X4 / XP8 PRO Pack
    $780.99
    No reviews

    The HYDROS Control X4 PRO Pack includes the Control X4 & XP8 aquarium controllers, HYDROS App, temperature sensor, pH probe...

  • Octo Pulse 4 Wave Pump with Hydros WELE
    $406.99
    No reviews

    Reef Octopus Octo Pulse 4 Flow Pump With WaveEngine LE Controller Max Flow: 4,500gph | 11~32watts | 80 - 500+...

  • Octo Pulse 2 Wave Pump with Hydros WELE
    $362.99
    No reviews

    Reef Octopus Octo Pulse 2 Flow Pump With WaveEngine LE Controller Max Flow: 1,600gph | 5-10watts | 20 - 80+...

  • Icecap Gyre 4K Flow Pump with Hydros WE LE
    $362.99
    No reviews

    IceCap 4K Gyre Flow Pump with WaveEngine LE Controller The IceCap 4K Gyre Flow Pump is not only more powerful...

  • Icecap Gyre 2K Flow Pump with Hydros WE LE
    $329.99
    No reviews

    IceCap 2K Gyre Flow Pump with HYDROS WaveEngine LE Dual Pump Controller The IceCap Gyre is back and better than...

  • Hydros Wave Engine LE
    $236.49
    No reviews

    HYDROS Pump Controller - Simplify the way we manage flow in our aquariums The WaveEngine LE allows you to easily...

  • Hydros Control X3 Monitor Pack
    $354.19
    No reviews

    The Ultimate Aquarium Monitoring System The HYDROS Control X3 Monitor Pack includes all essential equipment needed to monitor a healthy...

  • Hydros Control X3 Starter Pack
    $354.19
    No reviews

    Achieve Ultimate Aquarium Control with the HYDROS Control X3 Starter Pack This starter kit includes all essential equipment needed to...

  • Hydros Control X3 Controller Only
    $236.49
    No reviews

    Please note: CONTROL X3 ONLY - Nothing else is included. Achieve Ultimate Aquarium Control with the HYDROS Control X3 The...

  • HYDROS Control XS (Controller Only)
    $189.19
    No reviews

    HYDROS Control XS (CONTROLLER ONLY) Control XS is an artificially intelligent aquarium assistant that is focused on Sensors. Don’t let...

  • Coralvue HYDROS Control X2 Starter Pack
    $236.49
    No reviews

    Monitor & Control Like a Pro, Even if You're a Beginner The HYDROS Control 2 Starter Pack is the first...

  • Coralvue HYDROS Control X2 (Controller Only)
    $189.19
    No reviews

    Please note: CONTROL 2 ONLY - Nothing else is included.   Monitor & Control Like a Pro, Even if You're...

  • KH Advanced Interface Module (AIM) - NEW OPEN BOX RETURN
    $79.99 $99.99
    No reviews

    NEW OPEN BOX RETURN  - Brand New return. SAVE 20%   Advanced Interface Module (AIM) Universally Compatible with Most Controllers...

  • Reefbrite Bluetooth Controller PLUS
    $445.00
    No reviews

    The Reef Brite Bluetooth Controller allows complete control of XHO, LumiLite Pro, and LumiLite units. Easy to install, simple to...

  • Reef Brite Bluetooth Controller
    $216.08

    OUT OF STOCK

    No reviews

    The Reef Brite Bluetooth Controller allows complete control of XHO, LumiLite Pro, and LumiLite units. Easy to install, simple to...

  • Neptune Trident ACM - Marine Aquarium Water Analyzer
    $674.99
    No reviews

    A key ingredient to a great reef aquarium is maintaining proper levels of Alkalinity, Calcium, and Magnesium.   The Trident...

  • Seaside Aquatics Salinity/Temperature/TDS Digital Pocket Tester
    $79.99
    No reviews

    Same as most digital meters, this meter apply a work theory which is measuring the liquid conductance to determine its...

  • Milwaukee MC720 PRO pH Controller and Pump Kit
    $304.40
    No reviews

    Control the pH of your tank/reservoir AUTOMATICALLY! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control...

  • Hanna Instruments pHep+ Waterproof Pocket pH Test - 0.01 Resolution
    $69.99
    No reviews

    The HI98108 pHep+ pH tester provides high accuracy measurements in a rugged pocket-sized design. This meter features an exposed temperature...