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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.

13 Items

Set Descending Direction
  1. HYDROS Salinity Kit

    HYDROS Salinity Kit

    $119.99
    Temporarily Out Of Stock
    Add to Wish List
  2. Biotek Marine Salinity Refractometer With LED Light

    Biotek Marine Salinity Refractometer With LED Light

    Special Price $32.99 Regular Price $47.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  3. Neptune Systems Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)

    Neptune Systems Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)

    $5.99
    This product will be back ordered
    Add to Wish List
  4. 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
  5. Pinpoint Salinity Monitor & Probe

    American Marine Pinpoint Salinity Monitor & Probe

    Special Price $104.98 Regular Price $123.50
    Usually Ships In 2 - 3 Business Days After Submission of Order
    Add to Wish List
  6. Pinpoint Salinity Calibration Fluid

    American Marine Pinpoint Salinity Calibration Fluid

    Special Price $8.50 Regular Price $10.00
    This product will be back ordered
    Add to Wish List
  7. BioTek Marine Salinity Refractometer

    Biotek Marine Salinity Refractometer

    Special Price $29.00 Regular Price $41.99
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  8. Milwaukee Digital Seawater Refractometer

    Milwaukee MA887 Digital Seawater Refractometer

    $124.99
    This product will be back ordered
    Add to Wish List
  9. Neptune Systems Lab Grade Conductivity Probe

    Neptune Systems Lab Grade Salinity / Conductivity Probe

    $209.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
    Add to Wish List
  10. Red Sea Seawater Refractometer

    Red Sea Seawater Refractometer

    $69.99
    This product will be back ordered
    Add to Wish List
  11. Hanna Instruments 35 ppt Salinity Calibration Solution Packs

    Hanna Instruments 35 ppt Salinity Calibration Solution Packs

    Starting at: $10.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Add to Wish List
  12. Hanna Instruments HI98319 Marine Salinity Tester

    Hanna Instruments HI98319 Marine Salinity Tester

    $79.99
    This product will be back ordered
    Add to Wish List
  13. HM DIGITAL SAL-1700 SALINITY & TEMPERATURE TESTING PEN

    HM DIGITAL SAL-1700 SALINITY & TEMPERATURE TESTING PEN

    Special Price $59.49 Regular Price $69.99
    This product will be back ordered
    Add to Wish List
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