Which Apex is right for you?

Neptune Systems offers an exceptional and comprehensive family of controllers, equipment, sensors, and accessories.

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How Large Is Your Tank?

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What is the main reason you are considering an Apex Controller?

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Do you want real time measuring of water temperature and pH?

YES

NO

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Are you looking to control any equipment through an Apex?

YES

NO

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Do you want to be notified when water is above or below a certain level?

YES

NO

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Do you want real time measuring of water temperature and pH?

YES

NO

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Do you want to know the relative cleanliness of the aquarium water (ORP)?

YES

NO

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Do you want to be notified when water is above or below a certain level?

YES

NO

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Is knowing the exact water depth in your sump or water reservoir important to you?

YES

NO

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Are you using an RO/DI System?

YES

NO

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Please select additional things you are looking for:

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We've found the right Apex A3 for you!

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Your best option is:

The A3 Apex Jr.

The A3 Apex Jr. is a monitoring only solution that monitors exactly what you need! 


You can later add modules to add the ability to control equipment if desired.

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Your best option is:

The A3 Apex

The A3 Apex System offers the control but scaled back monitoring with room to grow for the everyday aquarist.


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Your best option is:

The A3 Apex Pro

The A3 Apex PRO


A3 Apex Pro System offers the most complete experience of monitoring and control for the discerning aquarist.

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