Controllers & Monitors

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100 Items

  1. A3 Apex Pro Aquarium Controller System
    Neptune Systems
    A3 Apex Pro Aquarium Controller System
    $877.49 $974.99

  2. A3 Apex Aquarium Controller System
    Neptune Systems
    A3 Apex Aquarium Controller System
    $593.99 $659.99

  3. A3 Apex Jr Aquarium Controller System
    Neptune Systems
    A3 Apex Jr Aquarium Controller System
    $269.96 $299.95

  4. MPR Magnetic Probe Rack
    Neptune Systems
    MPR Magnetic Probe Rack
    $53.99 $59.99

  5. Trident - Marine Aquarium Water Analyzer
    Neptune Systems
    Trident - Marine Aquarium Water Analyzer
    $629.99 $699.99

  6. 2-Month Trident Reagent Kit
    Neptune Systems
    2-Month Trident Reagent Kit
    $44.99 $49.99

  7. 6-Month Trident Reagent Kit
    Neptune Systems
    6-Month Trident Reagent Kit
    $98.99 $109.99

  8. Trident NP Nitrate & Phosphate Tester w/ 2 Month Reagent Kit
    Neptune Systems
    Trident NP Nitrate & Phosphate Tester w/ 2 Month Reagent Kit
    $656.98 $729.98

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  9. Trident NP Nitrate & Phosphate Tester (Without Reagents)
    Neptune Systems
    Trident NP Nitrate & Phosphate Tester (Without Reagents)
    $602.99 $669.99

  10. 2-Month Trident NP Reagent Kit
    Neptune Systems
    2-Month Trident NP Reagent Kit
    $53.99 $59.99

  11. Trident & A3 Apex Pro Aquarium Controller System Bundle
    Neptune Systems
    Trident & A3 Apex Pro Aquarium Controller System Bundle
    $1,507.48 $1,674.98

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  12. Trident & A3 Apex Aquarium Controller System Bundle
    Neptune Systems
    Trident & A3 Apex Aquarium Controller System Bundle
    $1,223.98 $1,359.98

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  13. DOS QuietDrive Dosing Pump
    Neptune Systems
    DOS QuietDrive Dosing Pump
    $337.49 $374.99

  14. Marine Master Bluetooth Multiparameter Photometer HI97115
    Hanna Instruments
    Marine Master Bluetooth Multiparameter Photometer HI97115
    $499.99 $499.99

  15. Marine Monitor (pH/Salinity/Temperature)
    Hanna Instruments
    Marine Monitor (pH/Salinity/Temperature)
    $299.99 $299.99

  16. Alkatronic Pro Alkalinity Controller
    Focustronic
    Alkatronic Pro Alkalinity Controller
    $629.99 $899.99

  17. Alkatronic Alkalinity Controller
    Focustronic
    Alkatronic Alkalinity Controller
    $692.99 $989.99

  18. Mastertronic Automated Water Tester
    Focustronic
    Mastertronic Automated Water Tester
    $909.99 $1,299.99

  19. Apex Display Module
    Neptune Systems
    Apex Display Module
    $127.79 $141.99

  20. I/O Breakout Box
    Neptune Systems
    I/O Breakout Box
    $53.99 $59.99

  21. Save a Watt P4472 Digital Timer
    P3 International
    Save a Watt P4472 Digital Timer
    $34.95 $34.95

  22. MXM Mobius Wireless Control Module
    Neptune Systems
    MXM Mobius Wireless Control Module
    $125.99 $139.99

  23. FMK Flow Monitoring Kit
    Neptune Systems
    FMK Flow Monitoring Kit
    $233.99 $259.99

  24. FMM Fluid Monitoring Module
    Neptune Systems
    FMM Fluid Monitoring Module
    $125.99 $139.99

  25. LD-1 Low Profile Leak Detection Probe
    Neptune Systems
    LD-1 Low Profile Leak Detection Probe
    $44.99 $49.99

  26. LD-2 Solid Surface Leak Detection Probe
    Neptune Systems
    LD-2 Solid Surface Leak Detection Probe
    $44.99 $49.99

  27. LD-3 Optical Multi-Surface Leak Sensor
    Neptune Systems
    LD-3 Optical Multi-Surface Leak Sensor
    $53.99 $59.99

  28. MOS Magnetic Optical Sensor
    Neptune Systems
    MOS Magnetic Optical Sensor
    $53.99 $59.99

  29. OS-1 Optical Level Sensor V2
    Neptune Systems
    OS-1 Optical Level Sensor V2
    $35.99 $39.99

  30. 1/4
    Neptune Systems
    1/4" Flow Sensor FS25
    $26.99 $29.99

  31. 1/2
    Neptune Systems
    1/2" Flow Sensor FS50
    $44.99 $49.99

  32. 1
    Neptune Systems
    1" Flow Sensor FS100
    $71.99 $79.99

  33. 2
    Neptune Systems
    2" Flow Sensor FS200
    $125.99 $139.99

  34. SV-1 Solenoid Valve
    Neptune Systems
    SV-1 Solenoid Valve
    $44.99 $49.99

  35. 1Link Male x Male 4 Pin Cable
    Neptune Systems
    1Link Male x Male 4 Pin Cable
    $26.99 $29.99

  36. A3 Apex Pro Base Unit
    Neptune Systems
    A3 Apex Pro Base Unit
    $404.10 $449.00

  37. Trident NP Waste Container
    Neptune Systems
    Trident NP Waste Container
    $5.39 $5.99

  38. Alkatronic Reagent (4L)
    Focustronic
    Alkatronic Reagent (4L)
    $110.00 $110.00