FREE Shipping Over $49 |

Pay over time with Affirm logo
Menu
My Cart
Search
Close

Quick Links

Menu

Probes

New Apex Sensors coming soon - 8/24

Loading...
Set Descending Direction

27 Items

  1. LLS Liquid Level Sensor - Neptune Systems
    3 Reviews
    Neptune Systems
    LLS Liquid Level Sensor - Neptune Systems

    Starting at: $44.95

    Earn 44 Reward Points

    Choose Options Notify Me When In-Stock
  2. MOS Magnetic Optical Sensor - Neptune Systems
    Neptune Systems
    MOS Magnetic Optical Sensor - Neptune Systems
    $39.95

    Earn 39 Reward Points

    $39.95
  3. LD-3 Optical Multi-Surface Leak Sensor - Neptune Systems
    Neptune Systems
    LD-3 Optical Multi-Surface Leak Sensor - Neptune Systems
    $39.95

    Earn 39 Reward Points

    $39.95
  4. Lab Grade Conductivity/Salinity Probe - Neptune Systems
    58 Reviews
    Neptune Systems
    Lab Grade Conductivity/Salinity Probe - Neptune Systems
    $197.95

    Earn 197 Reward Points

    $197.95
  5. Lab Grade Double Junction pH Probe - Neptune Systems
    6 Reviews
    Neptune Systems
    Lab Grade Double Junction pH Probe - Neptune Systems
    $89.95

    Earn 89 Reward Points

    $89.95
  6. Lab Grade Double Junction ORP Probe - Neptune Systems
    Neptune Systems
    Lab Grade Double Junction ORP Probe - Neptune Systems
    $99.95

    Earn 99 Reward Points

    $99.95
  7. MPR Magnetic Probe Rack - Neptune Systems
    78 Reviews
    Neptune Systems
    MPR Magnetic Probe Rack - Neptune Systems
    $44.95

    Earn 440 Reward Points Earn 220 Reward Points

    $44.95
  8. LD-1 Low Profile Leak Detection Probe - Neptune Systems
    1 Review
    Neptune Systems
    LD-1 Low Profile Leak Detection Probe - Neptune Systems
    $31.95

    Earn 31 Reward Points

    $31.95
  9. LD-2 Solid Surface Leak Detection Probe - Neptune Systems
    1 Review
    Neptune Systems
    LD-2 Solid Surface Leak Detection Probe - Neptune Systems
    $31.95

    Earn 31 Reward Points

    $31.95
  10. Temperature Probe - Neptune Systems
    16 Reviews
    Neptune Systems
    Temperature Probe - Neptune Systems
    $32.95

    Earn 32 Reward Points

    $32.95
  11. 1/4
    Neptune Systems
    1/4" Flow Sensor FS25 - Neptune Systems
    $20.95

    Earn 20 Reward Points

    $20.95
  12. 1/2
    3 Reviews
    Neptune Systems
    1/2" Flow Sensor FS50 - Neptune Systems
    $31.95

    Earn 31 Reward Points

    $31.95
  13. 2
    7 Reviews
    Neptune Systems
    2" Flow Sensor FS200 - Neptune Systems
    $104.95

    Earn 104 Reward Points

    $104.95
  14. OS-1-M Optical Level Sensor V2 With Mount - Neptune Systems
    12 Reviews
    Neptune Systems
    OS-1-M Optical Level Sensor V2 With Mount - Neptune Systems
    $37.95

    Earn 37 Reward Points

    $37.95
  15. Low-Profile Advanced Leak Detection Probe - Neptune Systems
    4 Reviews
    Neptune Systems
    Low-Profile Advanced Leak Detection Probe - Neptune Systems
    $29.95

    Earn 29 Reward Points

    $29.95
  16. Solid Surface Advanced Leak Detection Probe - Neptune Systems
    16 Reviews
    Neptune Systems
    Solid Surface Advanced Leak Detection Probe - Neptune Systems
    $29.95

    Earn 29 Reward Points

    $29.95
  17. Lab Grade Dissolved Oxygen Probe - Neptune Systems
    3 Reviews
    Neptune Systems
    Lab Grade Dissolved Oxygen Probe - Neptune Systems
    $749.95

    Earn 749 Reward Points

    $749.95
  18. Replacement Dissolved Oxygen Probe Membrane Kit - Neptune Systems
    Neptune Systems
    Replacement Dissolved Oxygen Probe Membrane Kit - Neptune Systems
    $74.95

    Earn 74 Reward Points

    $74.95
  19. Neptune Systems Conductivity Calibration Solution - 447 Microsiemens
    3 Reviews
    Neptune Systems
    Neptune Systems Conductivity Calibration Solution - 447 Microsiemens
    $2.95

    Earn 2 Reward Points

    $2.95
  20. 7.00 pH Calibration Fluid - Neptune Systems
    Neptune Systems
    7.00 pH Calibration Fluid - Neptune Systems
    $1.95

    Earn 1 Reward Points

    $1.95
  21. 10.00 pH Calibration Fluid - Neptune Systems
    1 Review
    Neptune Systems
    10.00 pH Calibration Fluid - Neptune Systems
    $1.95

    Earn 1 Reward Points

    $1.95
  22. Neptune Systems Conductivity Calibration Solution - 53000 Microsiemens
    7 Reviews
    Neptune Systems
    Neptune Systems Conductivity Calibration Solution - 53000 Microsiemens
    $2.95

    Earn 2 Reward Points

    $2.95
  23. 1
    14 Reviews
    Neptune Systems
    1" Flow Sensor FS100 - Neptune Systems
    $62.95

    Earn 62 Reward Points

    $62.95
  24. OS-1 Optical Level Sensor V2 - Neptune Systems
    17 Reviews
    Neptune Systems
    OS-1 Optical Level Sensor V2 - Neptune Systems
    $27.95

    Earn 27 Reward Points

    $27.95
  25. 2-Month Trident Reagent Kit - Neptune Systems
    1 Review
    Neptune Systems
    2-Month Trident Reagent Kit - Neptune Systems
    $44.95

    Earn 44 Reward Points

    $44.95
  26. 6-Month Trident Reagent Kit - Neptune Systems
    16 Reviews
    Neptune Systems
    6-Month Trident Reagent Kit - Neptune Systems
    $104.95

    Earn 104 Reward Points

    $104.95
  27. Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS - Neptune Systems
    1 Review
    Neptune Systems
    Probe Calibration Kit - ph 7.0, ph 10.0, & Salinity 53000uS - Neptune Systems
    $6.85

    Earn 6 Reward Points

    $6.85
Sign Up Now
© 2022 Bulk Reef Supply. All Rights Reserved.
Privacy Policy