Saltwater Logo
Freshwater Logo

FREE Shipping Over $49

| Pay over time with Affirm logo
Menu
My Cart
Close

Quick Links

Menu

Apex Modules

15% Off Summer Sale Happening Now

Loading...
Set Descending Direction

41 Items

  1. GRO Refugium Light with Flat Tank Mount Bracket
    15 Reviews
    Neptune Systems
    GRO Refugium Light with Flat Tank Mount Bracket
    $144.95

    $144.95
  2. GRO Refugium Light with Pipe Mount
    4 Reviews
    Neptune Systems
    GRO Refugium Light with Pipe Mount
    $144.95

    $144.95
  3. Apex Controller Upgrade Kit
    Neptune Systems
    Apex Controller Upgrade Kit
    $544.85

    $594.85
    Add to Cart
  4. EB832 Energy Bar 832
    57 Reviews
    Neptune Systems
    EB832 Energy Bar 832
    $289.95

    $289.95
  5. DOS & DDR Dosing System Package
    Neptune Systems
    DOS & DDR Dosing System Package
    $429.95

    $479.95
    Add to Cart
  6. Trident - Marine Aquarium Water Analyzer
    70 Reviews
    Neptune Systems
    Trident - Marine Aquarium Water Analyzer
    $639.95

    $639.95
  7. DC24V Power Supply
    Neptune Systems
    DC24V Power Supply
    $22.95

    $22.95
  8. AFS Automatic Feeding System
    110 Reviews
    Neptune Systems
    AFS Automatic Feeding System
    $109.95

    $109.95
  9. ATK V2 Auto Top Off Kit
    68 Reviews
    Neptune Systems
    ATK V2 Auto Top Off Kit
    $224.95

    $224.95
  10. LDK Leak Detection Kit
    8 Reviews
    Neptune Systems
    LDK Leak Detection Kit
    $154.95

    $154.95
  11. CD Crossover Diet Fish & Coral Food
    18 Reviews
    Neptune Systems
    CD Crossover Diet Fish & Coral Food
    $13.95

    $13.95
  12. DOS Dosing and Fluid Metering System
    67 Reviews
    Neptune Systems
    DOS Dosing and Fluid Metering System
    $279.95

    $329.95
  13. DDR DOS Dual Reservoir
    53 Reviews
    Neptune Systems
    DDR DOS Dual Reservoir
    $204.95

    $204.95
  14. FMM Fluid Monitoring Module
    4 Reviews
    Neptune Systems
    FMM Fluid Monitoring Module
    $104.95

    $104.95
  15. LSM Lunar Simulator Module
    27 Reviews
    Neptune Systems
    LSM Lunar Simulator Module
    $69.95

    $69.95
  16. PM2 Salinity Module
    10 Reviews
    Neptune Systems
    PM2 Salinity Module
    $89.95

    $89.95
  17. 1LINK Power and Communication Module w/ Power Supply
    1 Review
    Neptune Systems
    1LINK Power and Communication Module w/ Power Supply
    $159.95

    $159.95
  18. PM3 Dissolved Oxygen Module
    Neptune Systems
    PM3 Dissolved Oxygen Module
    $99.95

    $99.95
  19. 1Link Male x Male 4 Pin Cable
    Neptune Systems
    1Link Male x Male 4 Pin Cable
    $21.95

    $21.95
  20. Apex Display Module
    14 Reviews
    Neptune Systems
    Apex Display Module
    $109.95

    $109.95
  21. 1Link Extension Cable
    Neptune Systems
    1Link Extension Cable
    $21.95

    $21.95
  22. 36W 24VDC Power Supply
    Neptune Systems
    36W 24VDC Power Supply
    $31.95

    $31.95
  23. DC24 to Bare Wire Accessory Cable
    3 Reviews
    Neptune Systems
    DC24 to Bare Wire Accessory Cable
    $18.95

    $18.95
  24. 2 Channel Apex to Light Dimming Cable
    3 Reviews
    Neptune Systems
    2 Channel Apex to Light Dimming Cable
    $15.95

    $15.95
  25. Lunar Simulator Lunar LED Strings
    24 Reviews
    Neptune Systems
    Lunar Simulator Lunar LED Strings

    Starting at: $32.95

    Choose Options Notify Me When In-Stock
  26. AquaBus Cable
    10 Reviews
    Neptune Systems
    AquaBus Cable

    Starting at: $10.95

    Choose Options Notify Me When In-Stock
  27. DOS Replacement Tubing
    9 Reviews
    Neptune Systems
    DOS Replacement Tubing

    Starting at: $4.95

    Choose Options Notify Me When In-Stock
  28. Aquabus Extension Cable
    Neptune Systems
    Aquabus Extension Cable

    Starting at: $21.95

    Choose Options Notify Me When In-Stock
  29. VDM LED & Pumps Control Module
    11 Reviews
    Neptune Systems
    VDM LED & Pumps Control Module
    $104.95

    $104.95
  30. I/O Breakout Box
    29 Reviews
    Neptune Systems
    I/O Breakout Box
    $44.95

    $44.95
  31. 2 Channel Apex to Tunze Stream Cable - Neptune Systems
    11 Reviews
    Tunze
    2 Channel Apex to Tunze Stream Cable - Neptune Systems
    $20.95

    $20.95
  32. 1LINK Module Replacement Power Supply
    5 Reviews
    Neptune Systems
    1LINK Module Replacement Power Supply
    $54.95

    $54.95
  33. 6-Month Trident Reagent Kit
    16 Reviews
    Neptune Systems
    6-Month Trident Reagent Kit
    $104.95

    $104.95
  34. MXM Mobius Wireless Control Module
    Neptune Systems
    MXM Mobius Wireless Control Module
    $0.00

    $0.00
  35. FMK Flow Monitoring Kit
    15 Reviews
    Neptune Systems
    FMK Flow Monitoring Kit
    $209.95

    $209.95
  36. PMK PAR Monitoring Kit
    21 Reviews
    Neptune Systems
    PMK PAR Monitoring Kit
    $324.95

    $324.95
  37. 2-Month Trident Reagent Kit
    1 Review
    Neptune Systems
    2-Month Trident Reagent Kit
    $44.95

    $44.95
  38. PM1 pH/ORP Probe Module
    15 Reviews
    Neptune Systems
    PM1 pH/ORP Probe Module
    $89.95

    $89.95
  39. DC24 Extension Cable
    2 Reviews
    Neptune Systems
    DC24 Extension Cable
    $18.95

    $18.95
  40. 12V Power Supply
    6 Reviews
    Neptune Systems
    12V Power Supply
    $15.95

    $15.95