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Controllers & Monitors

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195 Items

  1. Trident & A3 Apex Pro Controller System Bundle
    10 Reviews
    Neptune Systems
    Trident & A3 Apex Pro Controller System Bundle
    $1,539.90

    $1,539.90
    Add to Cart
  2. A3 Apex Pro Controller System
    25 Reviews
    Neptune Systems
    A3 Apex Pro Controller System
    $899.95

    $899.95
  3. A3 Apex Jr Controller System
    10 Reviews
    Neptune Systems
    A3 Apex Jr Controller System
    $299.95

    $299.95
  4. A3 Apex Pro Controller System with Extra Energy Bar 832
    8 Reviews
    Neptune Systems
    A3 Apex Pro Controller System with Extra Energy Bar 832
    $1,189.90

    $1,189.90
    Add to Cart
  5. A3 Apex Controller System with Extra Energy Bar 832
    2 Reviews
    Neptune Systems
    A3 Apex Controller System with Extra Energy Bar 832
    $889.90

    $889.90
    Add to Cart
  6. Trident & A3 Apex Controller System Bundle
    Neptune Systems
    Trident & A3 Apex Controller System Bundle
    $1,239.90

    $1,239.90
    Add to Cart
  7. EB832 Energy Bar 832
    57 Reviews
    Neptune Systems
    EB832 Energy Bar 832
    $289.95

    $289.95
  8. Hydros Control X4 Aquarium Controller PRO Pack
    8 Reviews
    Coralvue
    Hydros Control X4 Aquarium Controller PRO Pack
    $659.99

    $659.99
  9. FMM Fluid Monitoring Module
    4 Reviews
    Neptune Systems
    FMM Fluid Monitoring Module
    $104.95

    $104.95
  10. Apex Display Module
    14 Reviews
    Neptune Systems
    Apex Display Module
    $109.95

    $109.95
  11. Hydros Control XP8 Energy Bar Aquarium Controller
    3 Reviews
    Coralvue
    Hydros Control XP8 Energy Bar Aquarium Controller
    $279.99

    $279.99
  12. Standard Aquarium Controller Board
    3 Reviews
    Adaptive Reef
    Standard Aquarium Controller Board

    Starting at: $127.81

    Choose Options Notify Me When In-Stock
  13. Deluxe Aquarium Controller Board (with hinges)
    Adaptive Reef
    Deluxe Aquarium Controller Board (with hinges)

    Starting at: $207.49

    Choose Options Notify Me When In-Stock
  14. LLS Liquid Level Sensor
    14 Reviews
    Neptune Systems
    LLS Liquid Level Sensor

    Starting at: $44.95

    Choose Options Notify Me When In-Stock
  15. FMK Flow Monitoring Kit
    15 Reviews
    Neptune Systems
    FMK Flow Monitoring Kit
    $209.95

    $209.95
  16. Hydros Control 4 Starter Pack - Aquarium Controller System
    30 Reviews
    Coralvue
    Hydros Control 4 Starter Pack - Aquarium Controller System
    $449.99

    $449.99
  17. Hydros Control 2 Starter Pack - Aquarium Controller System
    6 Reviews
    Coralvue
    Hydros Control 2 Starter Pack - Aquarium Controller System
    $199.99

    $199.99
  18. HYDROS Control XS Starter Kit - Coralvue
    4 Reviews
    Hydros
    HYDROS Control XS Starter Kit - Coralvue
    $199.99

    $199.99
  19. Controller Cabinet - Fully Assembled
    Adaptive Reef
    Controller Cabinet - Fully Assembled

    Starting at: $298.79

    Choose Options Notify Me When In-Stock
  20. Hydros WaveEngine LE Dual Pump Controller
    1 Review
    Coralvue
    Hydros WaveEngine LE Dual Pump Controller
    $199.99

    $199.99
  21. HYDROS Control XS - Controller Only - Coralvue
    3 Reviews
    Hydros
    HYDROS Control XS - Controller Only - Coralvue
    $159.99

    $159.99
  22. Alkatronic Alkalinity Controller
    6 Reviews
    Focustronic
    Alkatronic Alkalinity Controller
    $989.99

    $989.99
  23. Trident - Marine Aquarium Water Analyzer
    70 Reviews
    Neptune Systems
    Trident - Marine Aquarium Water Analyzer
    $639.95

    $639.95
  24. 6-Month Trident Reagent Kit
    16 Reviews
    Neptune Systems
    6-Month Trident Reagent Kit
    $104.95

    $104.95
  25. Hydros Flow Sensor
    Coralvue
    Hydros Flow Sensor

    Starting at: $58.99

    Choose Options Notify Me When In-Stock
  26. DOS & A3 Apex Jr. Automatic Water Change Bundle
    Neptune Systems
    DOS & A3 Apex Jr. Automatic Water Change Bundle
    $629.90

    $629.90
    Add to Cart
  27. EB4 & A3 Apex Jr. Controller System Bundle
    Neptune Systems
    EB4 & A3 Apex Jr. Controller System Bundle
    $419.90

    $419.90
    Add to Cart
  28. A3 Apex Controller System
    17 Reviews
    Neptune Systems
    A3 Apex Controller System
    $599.95

    $599.95
  29. Dosetronic DC 5 Channel Dosing Pump
    Focustronic
    Dosetronic DC 5 Channel Dosing Pump
    $549.00

    $549.00
  30. Hydros Control XD Aquarium Controller
    Coralvue
    Hydros Control XD Aquarium Controller
    $199.99

    $199.99
  31. 2-Month Trident Reagent Kit
    1 Review
    Neptune Systems
    2-Month Trident Reagent Kit
    $44.95

    $44.95
  32. LD-3 Optical Multi-Surface Leak Sensor
    1 Review
    Neptune Systems
    LD-3 Optical Multi-Surface Leak Sensor
    $39.95

    $39.95
  33. MOS Magnetic Optical Sensor
    3 Reviews
    Neptune Systems
    MOS Magnetic Optical Sensor
    $39.95

    $39.95
  34. DOS Dosing and Fluid Metering System
    67 Reviews
    Neptune Systems
    DOS Dosing and Fluid Metering System
    $329.95

    $329.95
  35. DOS & DDR Dosing System Package
    Neptune Systems
    DOS & DDR Dosing System Package
    $479.95

    $479.95
    Add to Cart
  36. DDR DOS Dual Reservoir
    53 Reviews
    Neptune Systems
    DDR DOS Dual Reservoir
    $204.95

    $204.95
  37. ATK V2 Auto Top Off Kit
    68 Reviews
    Neptune Systems
    ATK V2 Auto Top Off Kit
    $224.95

    $224.95
  38. AFS Automatic Feeding System
    110 Reviews
    Neptune Systems
    AFS Automatic Feeding System
    $109.95

    $109.95
  39. Marine Master Bluetooth Multiparameter Photometer HI97115
    1 Review
    Hanna Instruments
    Marine Master Bluetooth Multiparameter Photometer HI97115
    $449.95

    $449.95
  40. Ecotech Marine Custom Controller Board
    1 Review
    Adaptive Reef
    Ecotech Marine Custom Controller Board

    Starting at: $315.39

    Choose Options Notify Me When In-Stock