This is default alt image
My Cart

Mini Cart

Controllers & Testing

Grid List

Items 1-60 of 404

Set Descending Direction
  1. Kamoer KH Carer
    test
    Kamoer KH Carer
    20%
    $799.99
    Usually Ships within 24 Hours

    Add to Wish List Add to Compare
  2. Milwaukee MC810US MAX pH/TDS/Temp Monitor
    test
    Milwaukee MC810US MAX pH/TDS/Temp Monitor
    $218.90
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  3. Milwaukee MC811US MAX pH/EC/Temp Monitor
    test
    Milwaukee MC811US MAX pH/EC/Temp Monitor
    $218.90
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  4. ICP Mass Spec Water Test (Freshwater)
    test
    ICP Mass Spec Water Test (Freshwater)
    $21.95
    In stock

    Add to Wish List Add to Compare
  5. HYDROS Salinity Kit
    test
    HYDROS Salinity Kit
    $119.99
    PRE-ORDER- ETA 10/02/2023

    Add to Wish List Add to Compare
  6. HYDROS iV Isolated Testing Vessel
    test
    HYDROS iV Isolated Testing Vessel
    $129.99
    In stock

    Add to Wish List Add to Compare
  7. pH Alert Sensor by Seachem
    test
    pH Alert Sensor by Seachem
    90%
    $6.95
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  8. Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity
    test
    Red Sea Reef Foundation Pro Multi Test kit (Ca,Alk,Mg) Calcium, Magnesium & Alkalinity
    98%
    $74.99
    In stock

    Add to Wish List Add to Compare
  9. API Saltwater Master Test Kit
    test
    API Saltwater Master Test Kit
    93%
    $39.99
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  10. Milwaukee MC122 pH Controller
    test
    Milwaukee MC122 pH Controller
    100%
    $147.40
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  11. Pinpoint pH Controller
    test
    Pinpoint pH Controller
    90%
    $219.95
    In stock

    Add to Wish List Add to Compare
  12. Seneye Home Monitor
    test
    Seneye Home Monitor
    $179.00
    In stock

    Add to Wish List Add to Compare
  13. Salifert KH/Alkalinity + Calcium + Magnesium Test Kits Pack
    test
    Salifert KH/Alkalinity + Calcium + Magnesium Test Kits Pack
    100%
    Special Price $49.29 Regular Price $54.77
    Save: $5.48 (10%)
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  14. Neptune Systems Double Junction Lab Grade pH Probe
    test
    Neptune Systems Double Junction Lab Grade pH Probe
    100%
    $89.95
    In stock

    Add to Wish List Add to Compare
  15. Neptune Systems - Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)
    test
    Neptune Systems - Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS)
    $6.95
    In stock

    Add to Wish List Add to Compare
  16. Hanna HI9146 Portable Dissolved Oxygen O2 Meter, 4 meter cable
    test
    Hanna HI9146 Portable Dissolved Oxygen O2 Meter, 4 meter cable
    $594.00
    Usually Ships within 24 Hours

    Add to Wish List Add to Compare
  17. Brightwell Aquatic Refractometer Calibration Standard
    test
    Brightwell Aquatic Refractometer Calibration Standard

    Starting at $4.76

    In stock

    Add to Wish List Add to Compare
  18. HYDROS 3.5mm Sensor Adapter Cable
    test
    HYDROS 3.5mm Sensor Adapter Cable
    $9.99
    In stock

    Add to Wish List Add to Compare
  19. HYDROS Control XS Starter Kit
    test
    HYDROS Control XS Starter Kit
    80%
    $199.99
    In stock

    Add to Wish List Add to Compare
  20. ATI Elements ICP-OES Water Analysis Kit
    test
    ATI Elements ICP-OES Water Analysis Kit
    $44.95
    In stock

    Add to Wish List Add to Compare
  21. Mastertronic Automated Water Tester
    test
    Mastertronic Automated Water Tester
    $1,299.99
    In stock

    Add to Wish List Add to Compare
  22. Neptune A3 Apex Jr System
    test
    Neptune A3 Apex Jr System
    $299.95
    In stock

    Add to Wish List Add to Compare
  23. AutoAqua Smart Skimmer Security
    test
    AutoAqua Smart Skimmer Security
    $59.99
    In stock

    Add to Wish List Add to Compare
  24. Hanna HI9146 Portable Dissolved Oxygen O2 Meter, 10 meter cable
    test
    Hanna HI9146 Portable Dissolved Oxygen O2 Meter, 10 meter cable
    $657.00
    Usually Ships within 24 Hours

    Add to Wish List Add to Compare
  25. Neptune Systems MXM Mobius Wireless Control Module
    test
    Neptune Systems MXM Mobius Wireless Control Module
    $119.95
    In stock

    Add to Wish List Add to Compare
  26. Mini Black Aquarium Controller Board Wire Management System
    test
    Mini Black Aquarium Controller Board Wire Management System
    $114.99
    In stock

    Add to Wish List Add to Compare
  27. AutoAqua Smart Stir
    test
    AutoAqua Smart Stir
    $32.99
    In stock

    Add to Wish List Add to Compare
  28. HYDROS X10 Controller & Dosing System
    test
    HYDROS X10 Controller & Dosing System
    $799.99
    In stock

    Add to Wish List Add to Compare
  29. API Reef Master Test Kit
    test
    API Reef Master Test Kit
    80%
    $44.99
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  30. Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller
    test
    Milwaukee MC125 PRO 2-in-1 Digital pH/ORP Controller
    $229.90
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  31. Neptune Systems Conductivity Calibration Solution - 53.0 mS
    test
    Neptune Systems Conductivity Calibration Solution - 53.0 mS
    100%
    $2.99
    In stock

    Add to Wish List Add to Compare
  32. Red Sea MCP Test Kit Marine Care Master
    test
    Red Sea MCP Test Kit Marine Care Master
    100%
    $74.99
    In stock

    Add to Wish List Add to Compare
  33. Seachem Ammonia Alert Sensor
    test
    Seachem Ammonia Alert Sensor
    98%
    $7.95
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  34. Pinpoint ORP Controller
    test
    Pinpoint ORP Controller
    $219.95
    In stock

    Add to Wish List Add to Compare
  35. Seneye Reef Monitor
    test
    Seneye Reef Monitor
    88%
    $219.00
    In stock

    Add to Wish List Add to Compare
  36. Neptune Systems Double Junction Lab Grade ORP Probe
    test
    Neptune Systems Double Junction Lab Grade ORP Probe
    100%
    $99.95
    In stock

    Add to Wish List Add to Compare
  37. IceCap Salinity/Temperature Digital Pocket Tester v3
    test
    IceCap Salinity/Temperature Digital Pocket Tester v3
    $71.49
    In stock

    Add to Wish List Add to Compare
  38. Salifert Master Reef Testing Combo Kit
    test
    Salifert Master Reef Testing Combo Kit
    Special Price $93.21 Regular Price $103.57
    Save: $10.36 (10%)
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  39. Hanna HI9146W Portable Dissolved Oxygen O2 Meter for Wine
    test
    Hanna HI9146W Portable Dissolved Oxygen O2 Meter for Wine
    $657.00
    Usually Ships within 24 Hours

    Add to Wish List Add to Compare
  40. Dosetronic Dosing Pump
    test
    Dosetronic Dosing Pump
    80%
    $714.99
    In stock

    Add to Wish List Add to Compare
  41. HYDROS Control X2 Starter Pack
    test
    HYDROS Control X2 Starter Pack
    100%
    $199.99
    In stock

    Add to Wish List Add to Compare
  42. Neptune A3 Apex System
    test
    Neptune A3 Apex System
    $599.95
    In stock

    Add to Wish List Add to Compare
  43. Neptune Systems LD-3 Optical Multi-Surface Leak Sensor
    test
    Neptune Systems LD-3 Optical Multi-Surface Leak Sensor
    $39.95
    In stock

    Add to Wish List Add to Compare
  44. AutoAqua Smart Level Security
    test
    AutoAqua Smart Level Security
    $59.99
    In stock

    Add to Wish List Add to Compare
  45. Hanna Instruments HI97115UC Marine Master Multiparameter Checker
    test
    Hanna Instruments HI97115UC Marine Master Multiparameter Checker
    $449.95
    In stock

    Add to Wish List Add to Compare
  46. Black Aquarium Controller Board Wire Management System
    test
    Black Aquarium Controller Board Wire Management System
    $139.99
    In stock

    Add to Wish List Add to Compare
  47. API Freshwater Master Test Kit
    test
    API Freshwater Master Test Kit
    100%
    $39.99
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  48. Milwaukee MC510 PRO Digital Redox ORP Controller
    test
    Milwaukee MC510 PRO Digital Redox ORP Controller
    $159.50
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  49. Red Sea Reef Colors Pro Multi Test Kit, Iodine / Potassium / Iron
    test
    Red Sea Reef Colors Pro Multi Test Kit, Iodine / Potassium / Iron
    100%
    $84.99
    In stock

    Add to Wish List Add to Compare
  50. Salifert KH/Alkalinity Test Kit
    test
    Salifert KH/Alkalinity Test Kit
    95%
    Special Price $14.75 Regular Price $16.39
    Save: $1.64 (10%)
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  51. Neptune Systems Lab Grade Salinity/Conductivity Probe
    test
    Neptune Systems Lab Grade Salinity/Conductivity Probe
    48%
    $197.95
    In stock

    Add to Wish List Add to Compare
  52. Pinpoint Temperature Controller
    test
    Pinpoint Temperature Controller
    100%
    $219.95
    In stock

    Add to Wish List Add to Compare
  53. Seneye Reef Pack with Dri Box and WiFi Web Server
    test
    Seneye Reef Pack with Dri Box and WiFi Web Server
    100%
    $499.00
    In stock

    Add to Wish List Add to Compare
  54. Alkatronic Alkalinity Controller
    test
    Alkatronic Alkalinity Controller
    90%
    $989.99
    In stock

    Add to Wish List Add to Compare
  55. Seachem Alerts Combo Pack Ammonia & PH Sensors
    test
    Seachem Alerts Combo Pack Ammonia & PH Sensors
    100%
    $11.95
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  56. Deluxe Salinity Refractometer with ATC
    test
    Deluxe Salinity Refractometer with ATC
    98%
    Special Price $29.95 Regular Price $34.95
    Save: $5.00 (14%)
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  57. pH 7.01 Buffer Solution 1 x 20 ml, Sachet
    test
    pH 7.01 Buffer Solution 1 x 20 ml, Sachet
    100%
    $1.49
    Earn AQUAPOINTS
    In stock

    Add to Wish List Add to Compare
  58. HYDROS Control X3 Starter Pack
    test
    HYDROS Control X3 Starter Pack
    $299.99
    In stock

    Add to Wish List Add to Compare
  59. Neptune A3 Apex Pro System
    test
    Neptune A3 Apex Pro System
    $899.95
    In stock

    Add to Wish List Add to Compare
  60. Neptune Systems MOS Magnetic Optical Sensor
    test
    Neptune Systems MOS Magnetic Optical Sensor
    $39.95
    In stock

    Add to Wish List Add to Compare
Grid List

Items 1-60 of 404

Set Descending Direction