Apex Modules & Expansions

Neptune has designed a Magnetic probe rack that will hold up to 4 probes with one hole being slightly oversized to hold those larger probes like th...

the V2 Kit comes with an improved pump and revised optical sensorsThe ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution fo...

The Neptune New Gen UK Energy Bar 6 is a new and improved version of the EB6 Energy Bar, released in conjunction with the new and improved Apex sys...

Add even more convenience to your Apex Controller with the AFS Automatic Feeding System from Neptune Systems. Automate your feedings while you are ...

Add the pH/ORP Probe Expansion Module to your Apex Neptune System. Module has extra Temp Probe port I/O Switch Inputs for ATO, feed buttons, leak a...

Neptune Apex Solenoid ValveThis 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4...

Additional DŌS Tubing for your Neptune Systems DŌS ModuleThe Neptune Systems 16 meter Tubing DOS is an extra tubing for use with the DOS dosing sys...

Neptune Systems 15" Liquid Level Sensor with Clip MountThe Neptune LLS is a first of its kind industry exclusive! While most liquid level sensors s...

Neptune Systems 1/2" Flow Sensor Usually used with aquarium accessories like reactors, carbon/GFO filters, etc., this flow sensor can be placed in...

Neptune Systems PMUP Pump v2 (1 Link Accessory Port)The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Th...

When you pair the DOS Fluid Metering System with the DDR Dual Reservoir System you create one of the smartest, state of the art dosing packages in ...

Neptune Systems Replacement Head Cap for DOSComplete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that...

Additional DOS Tubing for your Neptune Systems DOS ModuleThe Neptune Systems 4 meter Tubing DOS is an extra tubing for use with the DOS dosing syst...

The new Neptune MXM Mobius Wireless Control Module will allow users to integrate and manage Ecotech Marine and Aqua Illumination equipment using ...

Apex 36w 24V DC Power Supply This 24VDC, 36W power supply is for the Neptune Systems FMM, DOS, ATK and Trident. This power supply is for 220V Euro...

Having the ability to monitor the salinity of your reef tank is a very valuable piece of information. Usually, if something is to go wrong with yo...

THE ULTIMATE MULTIPURPOSE FLUID-MONITORING DEVICE!The FMM (Fluid Monitoring Module) is a multi-purpose device that, with the help of various access...

An elegant and highly refined solution to two-part/liquid storage, the DOS Dual Reservoir's advanced features are Apex Ready! Features:   Large Sto...

This product must be used in conjunction with an Apex EL or Apex 2016 Starter kit to enable its use. Return Pump:Measuring the flow of your aquariu...

AquaBus Lunar Simulator (no LEDs)Add the Lunar Simulator Module Apex Unit to create a true lunar cycle to your reef aquarium. Many fish and corals ...

Features and Benefits Performs continuous light-level monitoring for your aquarium Measures actual PAR – the light corals and plants use Prevents b...