CONTROL & TESTING (399)
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  • ASF Seatest Mg2+ (Magnesium) Test Kit
    $24.19
    No reviews

    SeaTest Mg - Saltwater Magnesium is the third most important element in the composition of seawater. It is essential to...

  • 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 + 6 Month Reagents - Marine Aquarium Water Analyzer
    $759.98

    OUT OF STOCK

    No reviews

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

  • Neptune Trident ACM + 2 Month Reagents - Marine Aquarium Water Analyzer
    $699.98

    OUT OF STOCK

    No reviews

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

  • Neptune Lunar Simulator LEDs (2) - NEW OPEN BOX RETURN
    $39.99 $49.99
    No reviews

    OPEN BOX RETURN- SAVE 20% Lunar LED String – 2 LEDs Use this string of LED in combination with your...

  • 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...

  • API Freshwater/Saltwater KH Carbonate Hardness Test Kit
    $11.98
    No reviews

    The API KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and...

  • 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 Magnesium Test - 75 tests
    $30.99
    No reviews

    Red Sea MCP Magnesium Test - 75 tests Accurate measurement of Magnesium in marine aquariums Mg   Red Sea’s user-friendly...

  • 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 NO2/NO3 Test - 60/100 tests
    $29.99

    OUT OF STOCK

    No reviews

    Red Sea MCP NO2/NO3 Test - 60/100 tests Provides 50 Nitrate plus 50 Nitrite advanced colorimetric tests for marine aquariums...

  • Red Sea MCP Ammonia Test - 100 tests
    $26.99
    No reviews

    Red Sea MCP Ammonia Test - 100 tests Accurate measurement of ammonia in marine aquariums NH3 | NH4   Red...

  • 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 Dosing Syringes(10ml)Set of 10
    $29.99

    OUT OF STOCK

    No reviews

    Reef Kinetics Reefbot Dosing Syringes(10ml) - Set of 10

  • 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
    $1,049.00 $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 holder with Luer lock
    $21.99
    No reviews

    The HI740271 is a replacement filter holder with Luer lock (1 pc.) for use with the HI781 Low Range Marine...

  • 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...

  • Red Sea Algae Control Multi Test Kit (NO3/PO4)
    $79.99
    No reviews

    Algae Management Program Controlled reduction of nitrates and phosphates, prevents nuisance algae  & enhances coral coloration   Algae Management Program...

  • Red Sea Phosphate Pro (PO4) High Definition comparator test
    $57.99
    No reviews

    Phosphate Pro Test Kit Exceptionally high accuracy colorimetric comparator tests  for Phosphate measurement PO4   Red Sea’s Phosphate Pro Test...

  • Red Sea Nitrate Pro (NO3) - High Definition comparator test
    $57.99
    No reviews

    Nitrate Pro Test Kit Exceptionally high accuracy colorimetric comparator tests for Nitrate measurement NO3   Red Sea’s Nitrate Pro Test...

  • Milwaukee MW700 Lux Light Meter
    $158.70
    No reviews

    Probe is fully submersible in fresh or saltwater down to 1 meter. Faster Processor with The New Chipset and Motherboard...

  • Reef Kinetics Reefbot 20 ml vial
    $21.99

    OUT OF STOCK

    No reviews

    Reef Kinetics Reefbot 20 ml vial

  • Coralvue Aquarium Controller Board Leg Set Mini
    $44.99
    No reviews

    Standard Stand Legs for "Tabletop Mounting" of the CoralVue Aquarium Controller Boards (sold separately). The legs provide a simple yet sturdy solution...

  • Reef Kinetics Reefbot Replacement Syringes(1ml) (Set of 10)
    $20.00

    OUT OF STOCK

    No reviews

    Reef Kinetics Reefbot Replacement Syringes(1ml) - Set of 10

  • Reef Factory Probes Multi Holder
    $18.99 $29.59
    No reviews

    Probes Multi holder Probes Multi holder is designed for probes and sensors from Reef Factory. It serves to keep them...