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Controllers & Monitors

Controllers & Monitors

We carry a wide range of aquarium controllers & monitors from American Marine, BioTek Marine, Hanna Instruments, Apogee Instruments, Neptune Systems, Tunze, Hydros & more. If you need help selecting the right product for your budget and needs then please call or email us.

First Time Customers Use Coupon Code: WELCOMEExtra 10% With Account Checkout to Save 10%
15% Off Hanna Instruments & 20% Off ATI Straton LED Lights.

Items 1-36 of 53

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  1. Power Supply – 24VDC 36W

    Neptune Systems Power Supply – 24VDC 36W

    $34.99
    This product will be back ordered
    Add to Wish List
  2. Neptune Systems Replacement Tubing for DOS system

    Neptune Systems Replacement Tubing for DOS sys... Replacement Tubing for DOS system

    Starting at: $4.99
    See Individual Item
    Add to Wish List
  3. Neptune Systems Lunar Simulators

    Neptune Systems Lunar Simulators

    Starting at: $34.99
    See Individual Item
    Add to Wish List
  4. Neptune Systems Flow Sensor – 2″ (FS-200)

    Neptune Systems Flow Sensors

    Starting at: $21.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  5. Neptune Systems Leak Detection Probes for Use with FMM Module

    Neptune Systems Leak Detection Probes for Use ... Leak Detection Probes for Use with FMM Module

    Starting at: $34.99
    See Individual Item
    Add to Wish List
  6. Neptune Systems AquaBus Cables

    Neptune Systems AquaBus Cables

    Starting at: $11.99
    See Individual Item
    Add to Wish List
  7. Neptune Systems LD-3 Optical Multi-Surface Leak Sensor

    Neptune Systems LD-3 Optical Multi-Surface Lea... LD-3 Optical Multi-Surface Leak Sensor

    $39.95
    This product will be back ordered
    Add to Wish List
  8. Neptune Systems Trident Two Month Reagent Kit Supply

    Neptune Systems Trident Two Month Reagent Kit ... Trident Two Month Reagent Kit Supply

    $49.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
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  9. Neptune Systems FMK Flow Monitoring Kit

    Neptune Systems FMK Flow Monitoring Kit

    Rating:
    100%
    1  Review
    $219.99
    This product will be back ordered
    Add to Wish List
  10. Neptune Systems Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)

    Neptune Systems Calibration Kit (ph 7.0, ph 10... Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)

    $5.99
    This product will be back ordered
    Add to Wish List
  11. Neptune Systems FMM Fluid Monitoring Module

    Neptune Systems FMM Fluid Monitoring Module

    $109.99
    This product will be back ordered
    Add to Wish List
  12. Neptune Systems Optical Level Sensor

    Neptune Systems Optical Level Sensor

    $29.99
    This product will be back ordered
    Add to Wish List
  13. Neptune DC24v Power Supply

    Neptune DC24v Power Supply

    $24.99
    This product will be back ordered
    Add to Wish List
  14. Neptune Systems Solenoid Valve

    Neptune Systems Solenoid Valve

    $34.99
    This product will be back ordered
    Add to Wish List
  15. Neptune Systems LDK - Leak Detection Kit

    Neptune Systems LDK - Leak Detection Kit

    $164.99
    This product will be back ordered
    Add to Wish List
  16. Neptune Systems Optical Level Sensor with Magnetic Mount

    Neptune Systems Optical Level Sensor with Magn... Optical Level Sensor with Magnetic Mount

    $35.00
    This product will be back ordered
    Add to Wish List
  17. Neptune Systems 1LINK Extension Cable

    Neptune Systems 1LINK Extension Cable

    $23.99
    This product will be back ordered
    Add to Wish List
  18. Neptune Systems ATK Automatic V2 Top-Off Kit

    Neptune Systems ATK Automatic V2 Top-Off Kit

    $239.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  19. NEPTUNE SYSTEMS DC24 EXTENSION CABLE

    NEPTUNE SYSTEMS DC24 EXTENSION CABLE

    $19.95
    This product will be back ordered
    Add to Wish List
  20. Neptune Systems Energy Bar 832

    Neptune Systems Energy Bar 832

    $289.95
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  21. Neptune Systems 1Link Flow Control Module

    Neptune Systems 1Link Flow Control Module

    $169.99
    This product will be back ordered
    Add to Wish List
  22. Neptune Systems Double Junction Lab Grade pH Probe

    Neptune Systems Double Junction Lab Grade pH P... Double Junction Lab Grade pH Probe

    Rating:
    100%
    1  Review
    $94.99
    This product will be back ordered
    Add to Wish List
  23. Neptune Systems Double Junction Lab Grade ORP Probe

    Neptune Systems Double Junction Lab Grade ORP ... Double Junction Lab Grade ORP Probe

    $104.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  24. Neptune Systems Replacement Apex Display Module

    Neptune Systems Replacement Apex Display Module

    $115.99
    This product will be back ordered
    Add to Wish List
  25. Neptune Systems DC24 to Bare Wire Cable 10'

    Neptune Systems DC24 to Bare Wire Cable 10'

    $19.99
    This product will be back ordered
    Add to Wish List
  26. Neptune Systems 1LINK Male-Male Cable 10'

    Neptune Systems 1LINK Male-Male Cable 10'

    $23.99
    This product will be back ordered
    Add to Wish List
  27. Neptune Systems Apex 12V Power Supply

    Neptune Systems Apex 12V Power Supply

    $16.99
    This product will be back ordered
    Add to Wish List
  28. Neptune Systems Apex/Jr Temperature Probe

    Neptune Systems Apex/Jr Temperature Probe

    $34.99
    This product will be back ordered
    Add to Wish List
  29. Neptune Systems Lab Grade Conductivity Probe

    Neptune Systems Lab Grade Salinity / Conductiv... Lab Grade Salinity / Conductivity Probe

    $209.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  30. Advanced Leak Detection Solid Surface Probe

    Neptune Systems Advanced Leak Detection Solid ... Advanced Leak Detection Solid Surface Probe

    $31.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  31. Neptune Systems Energy Bar 8

    Neptune Systems Energy Bar 8

    $149.95
    Discontinued
    Out of stock
    Add to Wish List
  32. Neptune EnergyBar 4

    Neptune Systems Energy Bar 4

    $125.99
    Usually Ships In 2 - 3 Business Days After Submission of Order
    Out of stock
    Add to Wish List
  33. Neptune Systems VDM Dimming Cable for VDM Module

    Neptune Systems VDM Dimming Cable for VDM Module

    $17.95
    This product will be back ordered
    Add to Wish List
  34. Neptune Systems Advanced LED Dimming Module NEP-VDM

    Neptune Systems Advanced LED Dimming Module NE... Advanced LED Dimming Module NEP-VDM

    $109.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  35. Neptune PM3 Disolved Oxygen, Temperature, I/O Expansion Box

    Neptune Systems PM3 Disolved Oxygen, Temperatu... PM3 Disolved Oxygen, Temperature, I/O Expansion Box

    $104.99
    This product will be back ordered
    Add to Wish List
  36. Neptune PM2 Conductivity, Temp, I/O Expansion

    Neptune Systems PM2 Conductivity, Temp, I/O Ex... PM2 Conductivity, Temp, I/O Expansion

    $94.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
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