Neptune Systems

Apex Display Module

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Seamless Control, Enhanced Visibility

  • View Essential Parameters at a Glance
  • Access Your Apex Without a Smart Device or Computer
  • Orange Backlit LCD Display
  • Compatible with all Apex Controllers


The Apex Display Module by Neptune Systems is all about making your aquarium keeping life easier. It allows you to view your aquarium's essential water parameters at a glance and gives you access to your Apex controller, all without having to open Apex Fusion on your smart device or computer. With the ability to program and cycle through multiple display screens and activate feed modes or maintenance tasks with the push of a button, managing your aquarium has never been more straightforward or efficient. The Apex Display Module also features a built-in speaker that can play one of many sounds if an alarm on your Apex is triggered.



Display: Orange Backlit LCD

Compatibility: All Neptune Systems Apex Aquarium Controllers

Connection: Wired via Aquabus Port

More Information
UPC 019962174254
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Product Questions

Does this work with the A3 Apex Jr?
Question by: Justin on Apr 20, 2024, 7:55 AM
Yes! This is compatible with the A3 Apex Jr.
Answer by: Laura (BRS Staff) on May 2, 2024, 2:07 PM
does this work with old apex unit or is their one that works with it
Question by: andy on Apr 12, 2024, 10:19 AM
Yes, this will work with older Apex units as well.
Answer by: Chad (BRS Staff) on Apr 12, 2024, 11:26 AM
Question by: SHRIVATHSA SHRIVATHSA on Sep 13, 2020, 11:37 AM
Yes, it is a very nice product. Generally a cheap tablet will do the trick as well.
Answer by: Matt Lucero (BRS Staff) on Nov 5, 2021, 9:35 AM
Can I use the old monitor with a new Apex EL? Is the difference really only color?
Question by: Doug Milone on Feb 6, 2020, 6:35 AM
Hey there,

Unfortunately the all black controller will not work with the orange and grey Apex.

Take care
Answer by: Thomas Billington on Feb 6, 2020, 1:42 PM
How long is the cable? Can it be extended?
Question by: Jeff on Jan 4, 2020, 11:52 AM
Hey there!

It will be a 12' cord, you cannot extend it unfortunately.

Take care
Answer by: Thomas Billington on Jan 5, 2020, 10:43 AM
Can you use this controller for initial setup of the apex system? Our only access to internet is through our cell phones and we cannot use the wifi connection to set it up because our phones won't connect to the internet when wifi is on. I'm at my wits end trying to set this up and am hoping that this controller will solve our issue, otherwise we blew a ton of cash!
Thank you,
Question by: Jay N Ratte on Jan 4, 2020, 11:46 AM
Hey there!

Yes the controller can be used for that, we do it here because we one wifi network and a million devices on it.

take care
Answer by: Thomas Billington on Jan 5, 2020, 10:44 AM
Can this let me monitor my tank when my internet is down?
Question by: Kevin on Aug 4, 2019, 1:15 PM
Hey there!

Yes it will allow you to. You can actually control the whole system from the display.

Take care!
Answer by: Thomas Billington on Aug 6, 2019, 12:15 PM
I have the new apex unit, where does this plug into. Does it plug into the head unit of the new apex?

Question by: scotty on Mar 21, 2019, 1:22 PM
Great question! This display module can be plugged into any available Aquabus port on your Apex. This can be on the energy bar, or even modules with an open port. Thanks!
Answer by: Nick Gansen on Apr 2, 2019, 2:23 PM
What are the dimensions of this display? LxWxD"
Question by: Robert PARKER on Dec 12, 2018, 1:43 AM
This display measures right at 3.3"W x 4.0"H x 0.5"D.
Answer by: Randy on Dec 12, 2018, 9:48 AM
Why does this unit cost less than the other display,
Are there any advantages with the old one that the new one doesnt have.?
Question by: Daniel on Jul 22, 2016, 2:00 PM
Hi there,
The only difference between the two display units is the aesthetic appeal and the price. Other than that, there is no difference.
Answer by: Charlie on Jul 22, 2016, 3:07 PM
Does it work with the older system?
Question by: Ted Reinhardt on Jul 14, 2016, 5:28 PM
Hi Ted,
The grey Apex Display Modules are fully compatible with all Aquabus (USB style) Apex Controllers.
Answer by: Charlie on Jul 15, 2016, 7:26 AM