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 67

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

    $13.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
  2. Kamoer KH Carer

    $799.99
    Ships in 1-2 Days
  3. Seneye Home V6 Monitor Kit

    $199.99
    This product will be back ordered
  4. Seneye Reef V6 Monitor Kit

    $219.99
    Factory Direct - Usually Ships Out Within 1-2 Days
  5. Seneye Leak Detector

    Starting at: $42.48
    Factory Direct - Usually Ships Out Within 1-2 Days
  6. Seneye Spectra

    $1,099.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  7. Seneye Reef Pack with DRi Box and WiFi

    $499.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  8. GHL Industrial Line Basic housing and Blanking Panel

    Starting at: $19.90
    See Individual Item
  9. Dymax Crystal CO2 Indicator

    Starting at: $13.99
    See Individual Item
  10. HYDROS Salinity Kit

    $119.99
    Temporarily Out Of Stock
  11. HYDROS iV Light Shield

    $15.99
    Ships in 1-2 Days
  12. HYDROS Water Level Sensor

    $39.99
    Ships in 1-2 Days
  13. HYDROS Slim Temperature Sensor

    Special Price $19.50 Regular Price $24.99
    Ships in 1-2 Days
  14. HYDROS Skimmer Sensor

    $39.99
    Ships in 1-2 Days
  15. HYDROS Triple Optical Water Level Sensor

    $39.99
    Ships in 1-2 Days
  16. HYDROS Flow Sensor

    Starting at: $61.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
  17. Aquatop Submersible Digital Aquarium Thermometer - White

    $19.99
    This product will be back ordered
  18. JW Pet Fusion Smart Temp Aquarium Thermometer White

    $3.99
    This product will be back ordered
  19. Red Sea Reef 3-in-1 ATO+ Upgrade Kit (for existing REEFER aquarium owners)

    $185.00
    This product will be back ordered
  20. Red Sea 3-in-1 ReefATO+

    $215.00
    This product will be back ordered
  21. Seneye ITC Reefculture - PARwise

    $299.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  22. Reef Factory TDS Meter Plus

    $111.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  23. Reef Factory pH Meter

    $242.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  24. Reef Factory Thermo View

    Special Price $90.94 Regular Price $106.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  25. Reef Factory Level Sensor

    Special Price $57.79 Regular Price $67.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  26. HANNA HI981520 Marine Monitor PH, Marine Salinity, Temperature

    Special Price $211.65 Regular Price $249.00
    This product will be back ordered
  27. Neptune Systems LD-3 Optical Multi-Surface Leak Sensor

    $39.95
    This product will be back ordered
  28. Neptune Systems FMK Flow Monitoring Kit

    Rating:
    100%
    $219.99
    This product will be back ordered
  29. Apogee MQ-200X (Loaner) Underwater PAR Meter & Sensor Wand

    $55.99
    This product will be back ordered
  30. Apogee MQ-210X (Loaner) Underwater Quantum Meter & Sensor Wand

    $55.99
    This product will be back ordered
  31. Apogee MQ-510 (Loaner) Full Spectrum Quantum Meter & Sensor Wand

    $65.99
    This product will be back ordered
  32. AutoAqua Smart AC Socket

    $33.00
    Discontinued
    Out of stock
  33. Coralife Digital Thermometer

    $8.49
    Usually Ships In 2 - 3 Business Days After Submission of Order
  34. Apogee MQ-510 Full Spectrum Underwater Quantum Meter

    $530.00
    Factory Direct - Usually Ships Out Within 1-2 Days
  35. AutoAqua Smart Skimmer Security

    $59.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  36. AutoAqua Qeye and Qshooter Combo

    $349.99
    Discontinued
    Out of stock
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