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Probes & Controller Accessories

Aquarium controllers have seemingly endless probes and add-ons to help you achieve your reefing goals. Here you'll find everything from replacement probes, maintenance items, accessories, and controller add-ons for the most popular brands like Apex, GHL, and Hydros.
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78 Items

  1. Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS
    1  Review
    Neptune Systems
    Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS
    $10.99 $10.99

  2. Double Junction Lab Grade pH Probe
    15  Reviews
    Bulk Reef Supply
    Double Junction Lab Grade pH Probe
    $69.74 $92.99

  3. Lab Grade Double Junction pH Probe
    10  Reviews
    Neptune Systems
    Lab Grade Double Junction pH Probe
    $124.99 $124.99

  4. PINPOINT pH Replacement Probe Inc.
    18  Reviews
    American Marine
    PINPOINT pH Replacement Probe Inc.
    $41.59 $51.99

  5. Lab Grade Double Junction ORP Probe
     
    0  Reviews
    Neptune Systems
    Lab Grade Double Junction ORP Probe
    $134.99 $134.99

  6. Lab Grade Conductivity/Salinity Probe
    69  Reviews
    Neptune Systems
    Lab Grade Conductivity/Salinity Probe
    $259.99 $259.99

  7. Salinity Probe Stability Kit (SPS)
    11  Reviews
    Vivid Creative Aquatics
    Salinity Probe Stability Kit (SPS)
    $23.76 $27.95

  8. Temperature Probe
    18  Reviews
    Neptune Systems
    Temperature Probe
    $52.99 $52.99

  9. AvidAqua InSight Apex Controller Display
    6  Reviews
    AvidAqua
    AvidAqua InSight Apex Controller Display
    From: $159.95

    Choose Options Notify Me When In-Stock
  10. HI98509 Checktemp 1 Digital Thermometer
    11  Reviews
    Hanna Instruments
    HI98509 Checktemp 1 Digital Thermometer
    $53.54 $62.99

  11. 25-Pack HI70024P 35ppt Salinity Calibration Sachet
    5  Reviews
    Hanna Instruments
    25-Pack HI70024P 35ppt Salinity Calibration Sachet
    $33.99 $39.99

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  12. Audible & Visual Apex Alarm
     
    0  Reviews
    Adaptive Reef
    Audible & Visual Apex Alarm
    $91.99 $114.99

  13. CustomCradle Pro Tube Holder
     
    0  Reviews
    Innovative Marine
    CustomCradle Pro Tube Holder
    $36.00 $36.00

  14. PR-1 Probe Holder
     
    0  Reviews
    AquaReady
    PR-1 Probe Holder
    $30.99 $30.99

  15. MPO Duo - Magnetic Probe Organizer
    1  Review
    AvidAqua
    MPO Duo - Magnetic Probe Organizer
    $39.95 $39.95

  16. MPO Quatro - Magnetic Probe Organizer
    3  Reviews
    AvidAqua
    MPO Quatro - Magnetic Probe Organizer
    $44.95 $44.95

  17. MTO - Magnetic Tubing Organizer
    1  Review
    AvidAqua
    MTO - Magnetic Tubing Organizer
    $44.95 $44.95

  18. Probes Multi holder
     
    0  Reviews
    Reef Factory
    Probes Multi holder
    $15.00 $29.99

  19. LLS Liquid Level Sensor
    31  Reviews
    Neptune Systems
    LLS Liquid Level Sensor
    From: $62.99

    Choose Options Notify Me When In-Stock
  20. LD-3 Optical Multi-Surface Leak Sensor
    2  Reviews
    Neptune Systems
    LD-3 Optical Multi-Surface Leak Sensor
    $64.99 $64.99

  21. MOS Magnetic Optical Sensor
    10  Reviews
    Neptune Systems
    MOS Magnetic Optical Sensor
    $64.99 $64.99

  22. OS-1 Optical Level Sensor V2
    19  Reviews
    Neptune Systems
    OS-1 Optical Level Sensor V2
    $42.99 $42.99

  23. LD-2 Solid Surface Leak Detection Probe
    1  Review
    Neptune Systems
    LD-2 Solid Surface Leak Detection Probe
    $52.99 $52.99

  24. LD-1 Low Profile Leak Detection Probe
    1  Review
    Neptune Systems
    LD-1 Low Profile Leak Detection Probe
    $52.99 $52.99

  25. Low-Profile Advanced Leak Detection Probe
    4  Reviews
    Neptune Systems
    Low-Profile Advanced Leak Detection Probe
    $42.99 $42.99

  26. Solid Surface Advanced Leak Detection Probe
    16  Reviews
    Neptune Systems
    Solid Surface Advanced Leak Detection Probe
    $42.99 $42.99

  27. Lab Grade Dissolved Oxygen Probe
    3  Reviews
    Neptune Systems
    Lab Grade Dissolved Oxygen Probe
    $899.99 $899.99

  28. Float Switch - Vertical Mount
    12  Reviews
    Bulk Reef Supply
    Float Switch - Vertical Mount
    $9.74 $12.99

  29. Float Switch - Horizontal Mount
    6  Reviews
    Bulk Reef Supply
    Float Switch - Horizontal Mount
    $12.59 $16.79

  30. SWF-POD Accessory Pack
     
    0  Reviews
    Vivid Creative Aquatics
    SWF-POD Accessory Pack
    $8.46 $9.95

  31. Standard Aquarium Controller Board
    6  Reviews
    Adaptive Reef
    Standard Aquarium Controller Board
    From: $127.99

    Choose Options Notify Me When In-Stock
  32. Deluxe Aquarium Controller Board (with hinges)
    6  Reviews
    Adaptive Reef
    Deluxe Aquarium Controller Board (with hinges)
    From: $207.99

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  33. Deluxe XL Aquarium Controller Board
     
    0  Reviews
    Adaptive Reef
    Deluxe XL Aquarium Controller Board
    From: $247.99

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  34. Deluxe Mini Aquarium Controller Board
     
    0  Reviews
    Adaptive Reef
    Deluxe Mini Aquarium Controller Board
    From: $94.39

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  35. Mini Neptune Apex Controller Board
     
    0  Reviews
    Adaptive Reef
    Mini Neptune Apex Controller Board
    From: $94.39

    Choose Options Notify Me When In-Stock
  36. Mini Neptune DOS Controller Board
     
    0  Reviews
    Adaptive Reef
    Mini Neptune DOS Controller Board
    From: $94.39

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  37. Controller Cabinet (V2)
    4  Reviews
    Adaptive Reef
    Controller Cabinet (V2)
    From: $335.99

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  38. EcoTech Marine Custom Controller Board (V2)
     
    0  Reviews
    Adaptive Reef
    EcoTech Marine Custom Controller Board (V2)
    From: $311.99

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  39. Neptune Systems Custom Controller Board (V2)
     
    0  Reviews
    Adaptive Reef
    Neptune Systems Custom Controller Board (V2)
    From: $311.99

    Choose Options Notify Me When In-Stock
  40. BRStv Logo Board
     
    0  Reviews
    Adaptive Reef
    BRStv Logo Board
    From: $28.00

    Choose Options Notify Me When In-Stock