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Monitors

Monitors

Aquarium Monitors from BioTek Marine, American Marine, Lifegard, IVS Portal, Milwaukee and more.  For monitor parts and accessories CLICK HERE.

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

31 Items

Set Descending Direction
  1. 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
  2. Seneye Leak Detector

    Seneye Leak Detector

    Starting at: $42.48
    Factory Direct - Usually Ships Out Within 1-2 Days
    Add to Wish List
  3. AutoAqua Smart Skimmer Security

    AutoAqua Smart Skimmer Security

    $59.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  4. HYDROS iV Light Shield

    HYDROS iV Light Shield

    $15.99
    Ships in 1-2 Days
    Add to Wish List
  5. 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
  6. Dymax Crystal CO2 Indicator

    Dymax Crystal CO2 Indicator

    Starting at: $13.99
    See Individual Item
    Add to Wish List
  7. HYDROS Water Level Sensor

    HYDROS Water Level Sensor

    $39.99
    Ships in 1-2 Days
    Add to Wish List
  8. 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
  9. HYDROS Skimmer Sensor

    HYDROS Skimmer Sensor

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

    HYDROS Triple Optical Water Level Sensor

    $39.99
    Ships in 1-2 Days
    Add to Wish List
  11. 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
  12. JW Pet Fusion Smart Temp Aquarium Thermometer White

    JW Pet Fusion Smart Temp Aquarium Thermometer White

    $3.99
    This product will be back ordered
    Add to Wish List
  13. Aquatop Submersible Digital Aquarium Thermometer - White

    Aquatop Submersible Digital Aquarium Thermometer - White

    $19.99
    This product will be back ordered
    Add to Wish List
  14. Reef Factory Level Sensor

    Reef Factory Level Sensor

    $67.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  15. Hanna Instruments Checker Plus pH Tester HI98100

    Hanna Instruments Checker Plus pH Tester HI98100

    $53.00
    This product will be back ordered
    Add to Wish List
  16. Apogee MQ-210X (Loaner) Underwater Quantum Meter & Sensor Wand

    Apogee MQ-210X (Loaner) Underwater Quantum Meter & Sensor Wand

    $55.99
    This product will be back ordered
    Add to Wish List
  17. Apogee MQ-200X (Loaner) Underwater PAR Meter & Sensor Wand

    Apogee MQ-200X (Loaner) Underwater PAR Meter & Sensor Wand

    $55.99
    This product will be back ordered
    Add to Wish List
  18. Apogee Sensor Wand

    Apogee AM-320 Saltwater Submersible Sensor Wand

    $74.00
    This product will be back ordered
    Add to Wish List
  19. Apogee MQ-510 (Loaner) Full Spectrum Quantum Meter & Sensor Wand

    Apogee MQ-510 (Loaner) Full Spectrum Quantum Meter & Sensor Wand

    $65.99
    This product will be back ordered
    Add to Wish List
  20. AutoAqua Smart AC Socket

    AutoAqua Smart AC Socket

    $33.00
    Discontinued
    Out of stock
    Add to Wish List
  21. IceCap Salinity/Temperature Digital Pocket Tester Version 3

    IceCap Salinity/Temperature Digital Pocket Tester Version 3

    Rating:
    100%
    1  Review
    $74.99
    This product will be back ordered
    Add to Wish List
  22. Pinpoint pH Monitor & Probe

    American Marine Pinpoint pH Monitor & Probe

    $99.20
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  23. Milwaukee MW100 Portable pH Meter

    Milwaukee MW100 Portable pH Meter

    $85.00
    This product will be back ordered
    Add to Wish List
  24. Coralife Digital Thermometer

    Coralife Digital Thermometer

    $8.49
    Usually Ships In 2 - 3 Business Days After Submission of Order
    Add to Wish List
  25. Lifegard LED Digital Thermometer

    Lifegard Aquatics LED Digital Thermometer

    $25.25
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  26. Lifegard Big Digital temp Alert

    Lifegard Aquatics Digital Thermometer / Hygrometer

    $42.47
    This product will be back ordered
    Add to Wish List
  27. AutoAqua Smart Level Security

    AutoAqua Smart Level Security

    $59.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  28. Reef Octopus Titanium Grounding Probe

    Reef Octopus Titanium Grounding Probe

    $11.54
    This product will be back ordered
    Add to Wish List
  29. Apogee AC-100 Cable and PC Software

    Apogee AC-100 Cable

    $74.00
    Usually Ships In 2 - 3 Business Days After Submission of Order
    Add to Wish List
  30. AutoAqua Smart Temp Security

    AutoAqua Smart Temp Security

    $59.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  31. Neptune Systems LD-3 Optical Multi-Surface Leak Sensor

    Neptune Systems LD-3 Optical Multi-Surface Leak Sensor

    $39.95
    This product will be back ordered
    Add to Wish List
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