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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 171

Set Descending Direction
  1. Aquatop NO-VOLT Titanium Aquarium Grounding Probe Black

    Aquatop NO-VOLT Titanium Aquarium Grounding Pr... Titanium Aquarium Grounding Probe Black

    $13.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  2. Seneye Magnetic Holder Pro

    Seneye Magnetic Holder Pro

    $59.99
    Factory Direct - Usually Ships Out Within 1-2 Days
    Add to Wish List
  3. Seneye Leak Detector

    Seneye Leak Detector

    Starting at: $42.48
    Factory Direct - Usually Ships Out Within 1-2 Days
    Add to Wish List
  4. Seneye+ Slides (3 Pack)

    Seneye+ Slides (3 Pack)

    Starting at: $28.32
    See Individual Item
    Add to Wish List
  5. Seneye USB Extension Cable

    Seneye USB Extension Cable

    $24.99
    Usually Ships in 1 - 2 Business Days
    Add to Wish List
  6. Fauna Marin Multi Reference 100ml

    Fauna Marin Multi Reference 100ml

    $14.99
    Out of stock
    Add to Wish List
  7. IceCap Magnet Mount Float Valve

    IceCap Magnet Mount Float Valve

    $34.99
    Usually Ships in 1 - 2 Business Days
    Add to Wish List
  8. Turbelle® controller basic

    Turbelle® controller basic

    $58.79
    Factory Direct - Usually Ships Out Within 1-2 Days
    Add to Wish List
  9. Kessil Control Cable Type 1

    Kessil Control Cable Type 1 (Neptune Apex)

    $20.00
    Ships in 1-2 Days
    Add to Wish List
  10. Neptune Systems AFS CD Crossover Diet Food

    Neptune Systems AFS CD Crossover Diet Food

    $12.95
    This product will be back ordered
    Add to Wish List
  11. Neptune Systems SKY Aquarium LED Hanging Kit

    Neptune Systems SKY Aquarium LED Hanging Kit

    $37.99
    Out of stock
    Add to Wish List
  12. Neptune Systems SKY Shimz Diffused Lens

    Neptune Systems SKY Shimz Diffused Lens

    $34.95
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  13. Power Supply – 24VDC 36W

    Neptune Systems Power Supply – 24VDC 36W

    $34.99
    This product will be back ordered
    Add to Wish List
  14. Neptune Systems 30' AquaBus Extension Cable (M/F)

    Neptune Systems 30' AquaBus Extension Cab... 30' AquaBus Extension Cable (M/F)

    $32.95
    This product will be back ordered
    Add to Wish List
  15. Milwaukee MA991B/1 Glass PH Replacement Probe

    Milwaukee MA991B/1 Glass PH Replacement Probe

    $44.00
    Out Of Stock
    Add to Wish List
  16. HYDROS Klir Drive Port Adapter

    HYDROS Klir Drive Port Adapter

    $13.99
    Ships in 1-2 Days
    Add to Wish List
  17. GHL Industrial Line Basic housing and Blanking Panel

    GHL Industrial Line Basic housing and Blankin... Line Basic housing and Blanking Panel

    Starting at: $19.90
    See Individual Item
    Add to Wish List
  18. Biotek Marine IntelliCradle - Universal

    Biotek Marine IntelliCradle - Universal

    $34.99
    This product will be back ordered
    Add to Wish List
  19. HYDROS Klir Roller Mat Adapter Kit

    HYDROS Klir Roller Mat Adapter Kit

    $53.98
    Ships in 1-2 Days
    Add to Wish List
  20. HYDROS Float Switch Sensor with Magnetic Mount

    HYDROS Float Switch Sensor with Magnetic Mo... Switch Sensor with Magnetic Mount

    $29.99
    Ships in 1-2 Days
    Add to Wish List
  21. Dymax CO2 Three-Way Splitter

    Dymax CO2 Three-Way Splitter

    $37.99
    See Individual Item
    Add to Wish List
  22. Dymax Crystal CO2 Indicator

    Dymax Crystal CO2 Indicator

    Starting at: $13.99
    See Individual Item
    Add to Wish List
  23. HYDROS 9in USB LED Sign

    HYDROS 9in USB LED Sign

    $64.99
    Usually Ships in 1 - 2 Business Days
    Add to Wish List
  24. HYDROS 2mL/min Dosing Pump

    HYDROS 2mL/min Dosing Pump

    $74.99
    Ships in 1-2 Days
    Add to Wish List
  25. HYDROS iV Light Shield

    HYDROS iV Light Shield

    $15.99
    Ships in 1-2 Days
    Add to Wish List
  26. HYDROS Kraken Force Port to Power Port Cable

    HYDROS Kraken Force Port to Power Port Cable

    $14.99
    Ships in 1-2 Days
    Add to Wish List
  27. HYDROS Force Port Adapter Cable

    HYDROS Force Port Adapter Cable

    $14.99
    Ships in 1-2 Days
    Add to Wish List
  28. HYDROS Drive Port Cable

    HYDROS Drive Port Cable

    $14.99
    Ships in 1-2 Days
    Add to Wish List
  29. HYDROS Water Level Sensor

    HYDROS Water Level Sensor

    $39.99
    Ships in 1-2 Days
    Add to Wish List
  30. CoralVue HYDROS System Command Bus Cable (DATA+Power)

    CoralVue HYDROS System Command Bus Cable (DATA... System Command Bus Cable (DATA+Power)

    Starting at: $5.99
    See Individual Item
    Add to Wish List
  31. 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
  32. CoralVue HYDROS System Command Bus Cable (DATA ONLY)

    CoralVue HYDROS System Command Bus Cable (DATA... System Command Bus Cable (DATA ONLY)

    Starting at: $24.99
    See Individual Item
    Add to Wish List
  33. HYDROS Slim Temperature Sensor

    HYDROS Slim Temperature Sensor

    Special Price $19.50 Regular Price $24.99
    Ships in 1-2 Days
    Add to Wish List
  34. HYDROS Skimmer Sensor

    HYDROS Skimmer Sensor

    $39.99
    Ships in 1-2 Days
    Add to Wish List
  35. HYDROS Triple Optical Water Level Sensor

    HYDROS Triple Optical Water Level Sensor

    $39.99
    Ships in 1-2 Days
    Add to Wish List
  36. HYDROS Flow Sensor

    HYDROS Flow Sensor

    Starting at: $61.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
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