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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 172

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  1. HYDROS Maven Auto Water Tester

    HYDROS Maven Auto Water Tester

    $0.00
    Coming Soon
    Out of stock
    Add to Wish List
  2. Aquatop NO-VOLT Titanium Aquarium Grounding Probe Black

    Aquatop NO-VOLT Titanium Aquarium Grounding Probe Black

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

    Seneye Magnetic Holder Pro

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

    Seneye Leak Detector

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

    Seneye+ Slides (3 Pack)

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

    Seneye USB Extension Cable

    $24.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  7. Fauna Marin Multi Reference 100ml

    Fauna Marin Multi Reference 100ml

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

    IceCap Magnet Mount Float Valve

    $34.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  9. Turbelle® controller basic

    Turbelle® controller basic

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

    Kessil Control Cable Type 1 (Neptune Apex)

    $20.00
    Ships in 1-2 Days
    Add to Wish List
  11. 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
  12. Neptune Systems SKY Aquarium LED Hanging Kit

    Neptune Systems SKY Aquarium LED Hanging Kit

    $37.99
    Out of stock
    Add to Wish List
  13. 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
  14. Power Supply – 24VDC 36W

    Neptune Systems Power Supply – 24VDC 36W

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

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

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

    Milwaukee MA991B/1 Glass PH Replacement Probe

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

    HYDROS Klir Drive Port Adapter

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

    GHL Industrial Line Basic housing and Blanking Panel

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

    Biotek Marine IntelliCradle - Universal

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

    HYDROS Klir Roller Mat Adapter Kit

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

    HYDROS Float Switch Sensor with Magnetic Mount

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

    Dymax CO2 Three-Way Splitter

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

    Dymax Crystal CO2 Indicator

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

    HYDROS 9in USB LED Sign

    $64.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  25. HYDROS 2mL/min Dosing Pump

    HYDROS 2mL/min Dosing Pump

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

    HYDROS iV Light Shield

    $15.99
    Ships in 1-2 Days
    Add to Wish List
  27. 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
  28. HYDROS Force Port Adapter Cable

    HYDROS Force Port Adapter Cable

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

    HYDROS Drive Port Cable

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

    HYDROS Water Level Sensor

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

    CoralVue HYDROS System Command Bus Cable (DATA+Power)

    Starting at: $5.99
    See Individual Item
    Add to Wish List
  32. Neptune Systems Replacement Tubing for DOS system

    Neptune Systems Replacement Tubing for DOS system

    Starting at: $4.99
    See Individual Item
    Add to Wish List
  33. CoralVue HYDROS System Command Bus Cable (DATA ONLY)

    CoralVue HYDROS System Command Bus Cable (DATA ONLY)

    Starting at: $24.99
    See Individual Item
    Add to Wish List
  34. 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
  35. HYDROS Skimmer Sensor

    HYDROS Skimmer Sensor

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

    HYDROS Triple Optical Water Level Sensor

    $39.99
    Ships in 1-2 Days
    Add to Wish List
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