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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 39

Set Descending Direction
  1. Reef Factory Level keeper Auto Top Off System

    Reef Factory Level keeper Auto Top Off System

    $155.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  2. Neptune Systems GRO Refugium Light

    Neptune Systems GRO Refugium Light

    Starting at: $154.99
    See Individual Item
    Add to Wish List
  3. Neptune Systems MXM Module

    Neptune Systems MXM Module

    $119.95
    This product will be back ordered
    Add to Wish List
  4. HYDROS Controller Board LED Sign - Black

    HYDROS Controller Board LED Sign - Black

    $114.99
    Ships in 1-2 Days
    Add to Wish List
  5. HYDROS Salinity Kit

    HYDROS Salinity Kit

    $119.99
    Temporarily Out Of Stock
    Add to Wish List
  6. HYDROS iV Isolated Testing Vessel

    HYDROS iV Isolated Testing Vessel

    $129.99
    Ships in 1-2 Days
    Add to Wish List
  7. Dymax CO2 Professional Regulator RX-123

    Dymax CO2 Professional Regulator RX-123

    $139.99
    See Individual Item
    Add to Wish List
  8. Ecotech MP60wES to MP60wQD Driver Upgrade

    Ecotech MP60wES Replacement Driver

    $120.00
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  9. ProfiLux Light WiFi Aquarium Controller

    ProfiLux Light WiFi Aquarium Controller

    Starting at: $157.90
    See Individual Item
    Add to Wish List
  10. Ranco Temperature Controller

    Ranco Temperature Controller

    Starting at: $148.50
    Factory Direct - Usually Ships Out Within 3-4 Days
    Add to Wish List
  11. Maxspect Gyre XF300 Advanced Cloud Controller

    Maxspect Gyre XF300 Advanced Cloud Controller

    Special Price $169.99 Regular Price $199.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  12. Red Sea ReefRun Dual Controller

    Red Sea ReefRun Dual Controller

    $169.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  13. Red Sea Reef 3-in-1 ATO+ Upgrade Kit (for existing REEFER aquarium owners)

    Red Sea Reef 3-in-1 ATO+ Upgrade Kit (... Reef 3-in-1 ATO+ Upgrade Kit (for existing REEFER aquarium owners)

    $185.00
    This product will be back ordered
    Add to Wish List
  14. Tunze Controller 8555

    Tunze Controller 8555

    $119.99
    Special Order
    Add to Wish List
  15. Neptune Systems Trident Reagents - 6 Month Supply

    Neptune Systems Trident Reagents - 6 Month Sup... Trident Reagents - 6 Month Supply

    $109.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  16. Neptune Systems FMM Fluid Monitoring Module

    Neptune Systems FMM Fluid Monitoring Module

    $109.99
    This product will be back ordered
    Add to Wish List
  17. Single Junction Lab Grade pH Probe for use with Alkatronic

    Single Junction Lab Grade pH Probe for use wit... Lab Grade pH Probe for use with Alkatronic

    $100.00
    Call For Availability
    Out of stock
    Add to Wish List
  18. HYDROS Control XS (Controller Only)

    HYDROS Control XS (Controller Only)

    $159.99
    Ships in 1-2 Days
    Add to Wish List
  19. HYDROS WaveEngine LE Pump Controller

    HYDROS WaveEngine LE Pump Controller

    $199.99
    Ships in 1-2 Days
    Add to Wish List
  20. HYDROS Control XS Starter Kit

    HYDROS Control XS Starter Kit

    $199.99
    Ships in 1-2 Days
    Add to Wish List
  21. Neptune Systems LDK - Leak Detection Kit

    Neptune Systems LDK - Leak Detection Kit

    $164.99
    This product will be back ordered
    Add to Wish List
  22. HYDROS CONTROL 2 (Controller Only)

    HYDROS CONTROL 2 (Controller Only)

    $159.99
    Ships in 1-2 Days
    Add to Wish List
  23. HYDROS Control X2 Starter Pack

    HYDROS Control X2 Starter Pack

    $199.99
    This product will be back ordered
    Add to Wish List
  24. Neptune Systems 1Link Flow Control Module

    Neptune Systems 1Link Flow Control Module

    $169.99
    This product will be back ordered
    Add to Wish List
  25. 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
  26. Neptune Systems Replacement Apex Display Module

    Neptune Systems Replacement Apex Display Module

    $115.99
    This product will be back ordered
    Add to Wish List
  27. GHL ProfiLux VorTech Controller

    GHL ProfiLux VorTech Controller

    $153.90
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  28. Pinpoint pH Controller & Probe

    American Marine Pinpoint pH Controller & P... Pinpoint pH Controller & Probe

    $196.90
    Usually Ships In 2 - 3 Business Days After Submission of Order
    Add to Wish List
  29. Ecotech Marine ReefLink

    Ecotech Marine ReefLink

    $199.99
    Special Order (6 - 8 week lead time)
    Add to Wish List
  30. Milwaukee MC122 pH Controller

    Milwaukee MC122 pH Controller

    $146.00
    This product will be back ordered
    Add to Wish List
  31. Milwaukee MA957 C02 Regulator

    Milwaukee MA957 C02 Regulator

    $109.99
    Ships in 1-2 Days
    Add to Wish List
  32. Neptune Systems Energy Bar 8

    Neptune Systems Energy Bar 8

    $149.95
    Discontinued
    Out of stock
    Add to Wish List
  33. 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
  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 Systems Automatic Feeding System NEP-AFS

    Neptune Systems Automatic Feeding System NEP-AFS

    $115.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
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