CONTROL & TESTING (395)
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  • Neptune Lunar Simulator LEDs (4)
    $82.99
    No reviews

    Lunar LED String – 4 LEDs Use this string of LEDs in combination with your Lunar Simulation Module When you...

  • Neptune Leak Detection Low-Profile (under-carpet) Probe (For FMM Module)
    $52.99
    No reviews

    Leak Detection Probe for use under carpet  (LD-1) Plug this probe into your FMM and then place it underneath your...

  • Two Little Fishes AccuraSea Reference Solution 250ml
    $13.14

    OUT OF STOCK

    No reviews

    Two Little Fishies AccuraSea Seawater Reference Do you think it’s important to maintain salinity precisely? We’re with you. That’s why...

  • Apex 2 Channel AquaSurf/Apex to Stream Cable
    $31.99
    No reviews

    2 Channel AquaSurf or Apex to stream cable assembly. It has 1 RJ45 connector which plugs into the Apex base...

  • Neptune PM2 Salinity Module
    $124.99
    No reviews

    The PM2 salinity module, includes support for conductivity (salinity), temperature, and 6 digital inputs. The PM2 features are:   Monitor/Control...

  • Trident & A3 Apex Controller System Bundle
    $1,674.98
    No reviews

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

  • Octo Pulse 2 Wave Pump with Hydros WELE
    $381.14
    No reviews

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

  • Hydros Wave Engine LE
    $248.31
    No reviews

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

  • Milwaukee MC720 PRO pH Controller and Pump Kit
    $395.75
    No reviews

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

  • Seneye Reef Pack - Includes Dri Box & SWS Wifi
    $566.99
    No reviews

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

  • SENEYE REEF MONITORING SYSTEM AND PAR METER
    $241.49

    OUT OF STOCK

    No reviews

    Are your corals not as vibrant as you expect? Have you ever had an aquarium crash unexpectedly? Now with the...

  • American Marine Pinpoint pH Controller w/probe
    $215.00
    No reviews

    PINPOINT pH Controller" is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will...

  • pH55 Waterproof pH Test
    $77.90
    No reviews

    pH 55 Specifications Range -2.0 - 16.0 pH Resolution 0.1 pH Accuracy  0.1 pH ATC Automatic Calibration 2 Points -...

  • Milwaukee MC125 pH/ORP Controller w/probe
    $322.00

    OUT OF STOCK

    No reviews

    Smart Professional pH/ORP controller. User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC...

  • Hanna Waterproof Combo pH /EC/TDS/C tester
    $224.99
    No reviews

    The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more...

  • Hanna pHep5 Waterproof pH tester
    $154.99
    No reviews

    Dual Level Display Showing pH & Temp. Rugged, Floating Waterproof Casing Replaceable pH Electrode Featuring an Extendable Junction The waterproof ...

  • ATI ICP-OES Pro Lab Water Analysis (3-Pack) - With Return Shipping
    $137.74

    OUT OF STOCK

    No reviews

    The ATI ICP-OES Pro kit is identical to the original ATI ICP-OES test.   The ATI ICP-OES Pro Lab Water Analysis is...

  • ASF Seatest GH (Total Hardness) Test Kit
    $15.99
    No reviews

    SeaTest GH - Freshwater The total hardness or GH value indicates the amount of dissolved magnesium and calcium salts in...

  • Triton MYTE ICP Master Starter Kit - Master Your Trace Elements Subscription w/ Prepaid Priority Label
    $59.99
    No reviews

    Stop Guessing. Start Growing! Your monthly path to precision. We combine laboratory testing with a personalized blend of core trace...

  • Neptune Trident ACM + 2 Month Reagents - Marine Aquarium Water Analyzer
    $699.98
    No reviews

    Say Goodbye to Manually Testing for Calcium, Alkalinity, or Magnesium in your Reef!   The Trident is an automated testing...

  • ReefControl Power 8 - Panel
    $99.00

    OUT OF STOCK

    No reviews

    ReefControl Power 8 - Panel

  • RedSea ReefSense – Single Probe holder
    $12.50

    OUT OF STOCK

    No reviews

    RedSea ReefSense – Single Probe holder Adjustable height probe holder with fittings for standard 12mm and 18mm diameter probes. Clips...

  • RedSea ReefControl - Grounding Probe
    $30.00

    OUT OF STOCK

    No reviews

    ReefControl Power Titanium Grounding Probe   Connecting the Grounding Probe to the dedicated port on the ReefControl Power will safely...

  • RedSea ReefControl - ReefSense Port Expander
    $69.00

    OUT OF STOCK

    No reviews

    RedSea ReefControl - ReefSense Port Expander The ReefSense 4-port expander enables the ReefControl Pro to accommodate 7 ReefSense Probes/sensors.

  • RedSea ReefSense – Magnetic 4-probe holder
    $49.00

    OUT OF STOCK

    No reviews

    RedSea ReefSense – Magnetic 4-probe holder Holds up to 4 probes, suitable for 12mm ½” glass.

  • RedSea ReefSense – Leak Detector
    $40.00

    OUT OF STOCK

    No reviews

    The ReefSense digital Leak Detector can be connected to the ReefControl Lite or Pro controllers and will reliably detect water...

  • RedSea ReefControl - ATO module
    $129.00

    OUT OF STOCK

    No reviews

    ReefControl - ATO module ReefControl ATO Module The digital ATO sensor and dc pump of the ReefControl ATO module connect...

  • RedSea ReefSense – ORP Probe
    $119.00

    OUT OF STOCK

    No reviews

    RedSea ReefSense – ORP Probe   Any combination of the range of ReefSense digital probes/sensors can be connected to the...

  • RedSea ReefSense – pH & Temperature Probe
    $119.00

    OUT OF STOCK

    No reviews

    Digital pH & Temperature Probe   Any combination of the range of ReefSense digital probes/sensors can be connected to the...

  • RedSea ReefSense - Salinity & Temperature Probe
    $200.00

    OUT OF STOCK

    No reviews

    ReefSense - Digital Salinity & Temperature Probe Any combination of the range of ReefSense digital probes/sensors can be connected to...

  • RedSea ReefControl Power 8 Deluxe
    $389.00

    OUT OF STOCK

    No reviews

    ReefControl Power 8 Deluxe ReefControl Power Deluxe The ReefControl Power Deluxe version includes the optional manual Control Panel with ON/...

  • RedSea ReefControl Power 8
    $319.00

    OUT OF STOCK

    No reviews

    ReefControl Power 8 ReefControl Power ReefBeat-controlled fully-featured smart power center for both Red Sea and NON Red Sea devices  ...

  • Redsea ReefControl Pro Deluxe kit
    $699.00

    OUT OF STOCK

    No reviews

    Introducing ReefControl: Stay on top of your aquarium Monitor up to 7 ReefSense digital Probes & Sensors and control any...

  • Redsea ReefControl Pro
    $429.00

    OUT OF STOCK

    No reviews

    Introducing ReefControl: Stay on top of your aquarium Monitor up to 7 ReefSense digital Probes & Sensors and control any...

  • RedSea ReefControl Lite
    $329.00

    OUT OF STOCK

    No reviews

    Introducing ReefControl: Stay on top of your aquarium Monitor up to 7 ReefSense digital Probes & Sensors and control any...

  • ITC M Rack Plate- Probe Holder
    $8.39
    No reviews

    The ITC Reefculture M-Rack Probe Holder Plate is made from the highest quality CNC-cut glossy black acrylic. Holds up to...

  • ITC M Rack Plate- Dose Line 2pk
    $5.78
    No reviews

    The ITC Reefculture M-Rack Dosing Line Plate is made from the highest quality CNC-cut glossy black acrylic.    Requires 2x...

  • Fauna Marin AquaHomeTest NO2+NO3 Reagent A
    $8.07
    No reviews

    Fauna Marin AquaHomeTest NO2+NO3 Refill - Reagent A Refill Reagent A for Fauna Marin AquaHomeTest NO2+NO3.   Safety Note:  Solution...

  • Fauna Marin Aquahometest PO4
    $42.72

    OUT OF STOCK

    No reviews

    Measure Phosphate in Reef Aquariums The Fauna Marin Phosphate Test can determine the phosphate concentration within a reef aquarium with...

  • Fauna Marin Aquahometest K - Potassium
    $46.19

    OUT OF STOCK

    No reviews

    Measure Potassium in Reef Aquariums Fauna Marin’s Potassium Test Kit is a new standard for detecting potassium in saltwater aquariums....

  • Red Sea MCP Phosphate Test - 100 tests
    $30.99

    OUT OF STOCK

    No reviews

    Red Sea MCP Phosphate Test - 100 tests User-friendly colorimetric test provides a quick and reliable measurement of Phosphate in...

  • Red Sea MCP pH/Alk Test - 100/55 tests
    $26.99
    No reviews

    PH/ALKALINITY MARINE TEST KIT Includes an accurate titration test for KH and a colorimetric test for pH for monitoring these...

  • Reef Kinetics Reefbot Replacement Magnetic Stirrers
    $25.00
    No reviews

    Reef Kinetics Reefbot Replacement Magnetic Stirrers for chambers and 60ml Vials (Set of 10)

  • Reef Kinetics Reefbot Lab - Automated Testing v.7
    $1,499.00

    OUT OF STOCK

    No reviews

    The ReefBot Lab is the latest ReefBot model with enhanced design and features, including 12 vials for more testing options....

  • Fauna Marin AquaHomeTest NO2+NO3 Reagent C
    $8.07

    OUT OF STOCK

    No reviews

    Fauna Marin AquaHomeTest NO2+NO3 Refill - Reagent C Refill Reagent C for Fauna Marin AquaHomeTest NO2+NO3.   Safety Note:  Solution...

  • Fauna Marin AquaHomeTest NO2+NO3 Reagent B
    $8.07
    No reviews

    Fauna Marin AquaHomeTest NO2+NO3 Refill - Reagent B Refill Reagent B for Fauna Marin AquaHomeTest NO2+NO3.   Safety Note:  Solution...

  • Fauna Marin Refill Aquahometest Ca+Mg
    $32.33
    No reviews

    Fauna Marin AquaHomeTest Ca+Mg Refill Refill Reagents for Fauna Marin AquaHomeTest Ca+Mg.   Safety Note:  Solution A can cause skin...

  • Fauna Marin Refill Aquahometest PO4
    $15.00

    OUT OF STOCK

    No reviews

    Fauna Marin AquaHomeTest PO4 Refill Refill Reagents for Fauna Marin AquaHomeTest PO4.   Safety Note:  Solution A may cause skin...

  • Fauna Marin Refill Aquahometest K - Potassium
    $27.49

    OUT OF STOCK

    No reviews

    Fauna Marin AquaHomeTest K Potassium Refill Refill Reagents for Fauna Marin AquaHomeTest K (Potassium).   Safety Note:  Flammable liquid and vapor....

  • Fauna Marin Refill Aquahometest KH
    $15.00

    OUT OF STOCK

    No reviews

    Fauna Marin AquaHomeTest KH Refill Refill reagent for the Fauna Marin AquaHomeTest KH.   Safety Note:  Flammable liquid and vapor....

  • IceCap Bottle Caddy
    $44.46
    No reviews

    Durable acrylic bottle caddy holds ten 37mm diameter bottles and includes four 25.5mm diameter reducers for smaller bottles.   The...

  • Hanna Filter disc (25 pcs)
    $9.99
    No reviews

    HI740228 is a filter disc; part of accessory kit for preparation of samples to be analyzed (nutrients for agriculture) with...