Controllers & Testing

Take your reef tank to the next level with our controllers, monitors, and testing equipment. Whether you're manually testing with titration kits or using digital Hanna Checkers, we have everything you need to maintain precise water quality.

The Neptune Systems Apex Aquarium Controller automates essential tasks, provides remote monitoring, and sends real-time alerts, ensuring your livestock stays safe and your aquarium remains stable—even when you're not home. With Apex, you can enjoy peace of mind knowing your tank is protected around the clock.

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322 Items

  1. Trident - Marine Aquarium Water Analyzer
    Neptune Systems
    Trident - Marine Aquarium Water Analyzer
    $674.99 $674.99

  2. 6-Month Trident Reagent Kit
    Neptune Systems
    6-Month Trident Reagent Kit
    $109.99 $109.99

  3. 2-Month Trident Reagent Kit
    Neptune Systems
    2-Month Trident Reagent Kit
    $49.99 $49.99

  4. Trident NP Waste Container
    Neptune Systems
    Trident NP Waste Container
    $3.49 $3.49

  5. Marine Master Bluetooth Multiparameter Photometer HI97115
    Hanna Instruments
    Marine Master Bluetooth Multiparameter Photometer HI97115
    $449.99 $449.99

  6. Calcium Colorimeter HI758 Hanna Checker - Marine Water
    Hanna Instruments
    Calcium Colorimeter HI758 Hanna Checker - Marine Water
    $67.99 $67.99

  7. Marine pH Colorimeter HI780 Hanna Checker
    Hanna Instruments
    Marine pH Colorimeter HI780 Hanna Checker
    $67.99 $67.99

  8. Marine Ammonia Colorimeter HI784
    Hanna Instruments
    Marine Ammonia Colorimeter HI784
    $67.99 $67.99

  9. RedSea Marine Care Test Kit
    Red Sea
    RedSea Marine Care Test Kit
    $74.99 $74.99

  10. RedSea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)
    Red Sea
    RedSea Reef Foundation Pro Multi Test Kit (Ca, Alk, Mg)
    $74.99 $74.99

  11. RedSea Algae Control Multi Test Kit (NO3/PO4)
    Red Sea
    RedSea Algae Control Multi Test Kit (NO3/PO4)
    $74.99 $74.99

  12. RedSea Trace Colors Pro Multi Test Kit (I2,K,Fe)
    Red Sea
    RedSea Trace Colors Pro Multi Test Kit (I2,K,Fe)
    $84.99 $84.99

  13. Trident & A3 Apex Pro Aquarium Controller System Bundle
    Neptune Systems
    Trident & A3 Apex Pro Aquarium Controller System Bundle
    $1,620.98 $1,620.98

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  14. A3 Apex Pro Aquarium Controller System with Extra Energy Bar 832
    Neptune Systems
    A3 Apex Pro Aquarium Controller System with Extra Energy Bar 832
    $1,250.98 $1,250.98

    Add to Cart
  15. Trident & A3 Apex Aquarium Controller System Bundle
    Neptune Systems
    Trident & A3 Apex Aquarium Controller System Bundle
    $1,304.98 $1,304.98

    Add to Cart
  16. A3 Apex Aquarium Controller System with Extra Energy Bar 832
    Neptune Systems
    A3 Apex Aquarium Controller System with Extra Energy Bar 832
    $934.98 $934.98

    Add to Cart
  17. Alkatronic Alkalinity Controller
    Focustronic
    Alkatronic Alkalinity Controller
    $989.99 $989.99

  18. Mastertronic Automated Water Tester
    Focustronic
    Mastertronic Automated Water Tester
    $1,299.99 $1,299.99

  19. Dosetronic 5 Channel Smart Doser
    Focustronic
    Dosetronic 5 Channel Smart Doser
    $714.99 $714.99