Saltwater Logo
Freshwater Logo

FREE Shipping Over $49

| Pay Over Time With Affirm logo
Menu
My Cart
Close

Quick Links

Menu
As Low As 0% APR Financing Available Now For Qualified Buyers As Low As 0% APR Financing Available Now For Qualified Buyers

Aperture Business New Website Reminder

We are now transitioning all ordering of Neptune Systems, EcoTech Marine, AquaIllumination, Bulk Reef Supply Wholesale, and all of our Aperture Exclusive Distribution Brands to the new Aperture Business website (aperturebusiness.com).

If we have not yet moved your account, we need your basic information to complete that transition.

Please Complete This Form

Please complete the form linked above as soon as possible to get started.

If you have any questions, please contact your Aperture sales representative.

Controllers, Testing, Automation

Loading...
Set Descending Direction

56 Items

  1. Salifert Phosphate Aquarium Test Kit
    22 Reviews
    Salifert
    Salifert Phosphate Aquarium Test Kit
    $19.61 $19.61

  2. Flatworm Exit Aquarium Treatment
    25 Reviews
    Salifert
    Flatworm Exit Aquarium Treatment
    $16.99 $16.99

  3. Watchdog Leak Detection Alarm
    6 Reviews
    Glentronics
    Watchdog Leak Detection Alarm
    $15.99 $15.99

  4. Double Junction Lab Grade ORP Probe
    Bulk Reef Supply
    Double Junction Lab Grade ORP Probe
    $79.99 $79.99

  5. Double Junction Lab Grade pH Probe
    15 Reviews
    Bulk Reef Supply
    Double Junction Lab Grade pH Probe
    $69.99 $69.99

  6. Refractometer Calibration Solution
    13 Reviews
    Bulk Reef Supply
    Refractometer Calibration Solution
    $7.99 $7.99

  7. Salifert Copper Aquarium Test Kit
    4 Reviews
    Salifert
    Salifert Copper Aquarium Test Kit
    $17.89 $17.89

  8. Salifert Silicate Aquarium Test Kit
    8 Reviews
    Salifert
    Salifert Silicate Aquarium Test Kit
    $16.99 $16.99

  9. PINPOINT pH Monitor
    20 Reviews
    American Marine Inc.
    PINPOINT pH Monitor
    $94.99 $94.99

  10. PINPOINT pH Replacement Probe
    17 Reviews
    American Marine Inc.
    PINPOINT pH Replacement Probe
    $49.99 $49.99

  11. PINPOINT ORP (Redox) 400 Calibration Fluid
    4 Reviews
    American Marine Inc.
    PINPOINT ORP (Redox) 400 Calibration Fluid
    $4.00 $4.00

  12. PINPOINT Salinity Calibration Fluid
    15 Reviews
    American Marine Inc.
    PINPOINT Salinity Calibration Fluid
    $10.79 $10.79

  13. PH-200 Waterproof pH Meter
    1 Review
    HM Digital
    PH-200 Waterproof pH Meter
    $79.99 $79.99

  14. Float Switch - Vertical Mount
    11 Reviews
    Bulk Reef Supply
    Float Switch - Vertical Mount
    $10.99 $10.99

  15. Float Switch - Horizontal Mount
    5 Reviews
    Bulk Reef Supply
    Float Switch - Horizontal Mount
    $15.99 $15.99

  16. PINPOINT pH High Precision Calibration Fluid
    23 Reviews
    American Marine Inc.
    PINPOINT pH High Precision Calibration Fluid
    From: $1.39

    Choose Options Notify Me When In-Stock
  17. BRS pH/ORP Probe Tip Soaker Bottle
    3 Reviews
    Bulk Reef Supply
    BRS pH/ORP Probe Tip Soaker Bottle
    $5.99 $5.99

  18. HI761-25 Total Chlorine ULR Reagents - Fresh Water
    1 Review
    Hanna Instruments
    HI761-25 Total Chlorine ULR Reagents - Fresh Water
    $4.50 $14.99

  19. HI736-11 Phosphorus Calibration Check Set for HI736 Checker
    1 Review
    Hanna Instruments
    HI736-11 Phosphorus Calibration Check Set for HI736 Checker
    $12.80 $18.99

  20. Save a Watt P4472 Digital Timer
    3 Reviews
    P3 International
    Save a Watt P4472 Digital Timer
    $24.47 $34.95

  21. Single Junction Lab Grade pH Probe
    3 Reviews
    Bulk Reef Supply
    Single Junction Lab Grade pH Probe
    $42.99 $42.99

  22. Refractometer & Hydrometer Calibration Standard
    4 Reviews
    Brightwell Aquatics
    Refractometer & Hydrometer Calibration Standard
    From: $5.41

    Choose Options Notify Me When In-Stock
  23. 1-Pack N-DOC Organics Seawater Analysis
    1 Review
    Triton
    1-Pack N-DOC Organics Seawater Analysis
    $39.20 $49.00

  24. Replacement Probe for Aquarium Temperature Controllers
    1 Review
    Ink Bird
    Replacement Probe for Aquarium Temperature Controllers
    $8.99 $8.99

  25. Profilux 3 meter Sensor Extension Cable
    GHL
    Profilux 3 meter Sensor Extension Cable
    $6.57 $21.90

  26. Profilux 5 meter Sensor Extension Cable
    GHL
    Profilux 5 meter Sensor Extension Cable
    $7.77 $25.90

  27. Plumbing Union for Profilux 528 GPH Flow Sensor - Metric
    GHL
    Plumbing Union for Profilux 528 GPH Flow Sensor - Metric
    $3.27 $10.90

  28. Profilux Vortech Controller
    2 Reviews
    GHL
    Profilux Vortech Controller
    $50.97 $169.90

  29. Profilux Tunze Connection Cable - Type 1
    GHL
    Profilux Tunze Connection Cable - Type 1
    $4.47 $14.90

  30. Trident Faceplate for Controller Cabinet - Black
    Adaptive Reef
    Trident Faceplate for Controller Cabinet - Black
    $15.00 $49.99

  31. Universal Probe & Water Line Holder (4 Probes, 3 AWC Lines)
    1 Review
    Slide-Loc
    Universal Probe & Water Line Holder (4 Probes, 3 AWC Lines)
    $39.98 $39.98

  32. Universal Probe & Water Line Holder (2 Probes, 2 AWC Lines)
    Slide-Loc
    Universal Probe & Water Line Holder (2 Probes, 2 AWC Lines)
    $39.98 $39.98

  33. Universal Dosing Tube Holder (6-12 Lines)
    1 Review
    Slide-Loc
    Universal Dosing Tube Holder (6-12 Lines)
    $39.98 $39.98

  34. Salifert Potassium Aquarium Test Kit
    Salifert
    Salifert Potassium Aquarium Test Kit
    $18.81 $18.81

  35. Marine Lab Multi-Test Kit
    NT Labs
    Marine Lab Multi-Test Kit
    $46.98 $46.98

  36. Marine Lab Reef Multi-Test Kit
    NT Labs
    Marine Lab Reef Multi-Test Kit
    $59.68 $59.68

  37. Marine Lab Ammonia Test Kit
    NT Labs
    Marine Lab Ammonia Test Kit
    $13.96 $13.96

  38. Marine Lab Nitrite Test Kit
    NT Labs
    Marine Lab Nitrite Test Kit
    $12.69 $12.69

  39. Marine Lab Nitrate Test Kit
    NT Labs
    Marine Lab Nitrate Test Kit
    $13.96 $13.96

  40. Marine Lab pH Test Kit
    NT Labs
    Marine Lab pH Test Kit
    $12.69 $12.69