Neptune Systems

BOX DAMAGED - UNIT UNTOUCHED   This attractive fluid containment system stores your dosing fluids in style and even tells you when it’s time to refill! Each side stores two liters...

OEM 100W power supply for the COR-20 Return Pump

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration...

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration...

Probably the most popular sized level sensor this is the ideal sensor for your average containers used in and around aquarium.  This will be the ideal sensor for measuring the return pump...

Apex LED Light Dimming Cable – 2 Channel Use this cable to connect two channels of 0-10V dimmable LED lights to your Apex System or Advanced LED Dimming Module – VDM Use this cable to...

This three foot cable connects to the variable outputs built into the Apex, Apex Classic, and the VDM which has two DIN5 connectors.  This enables speed control of up to two TunzeTM Stream...

The 23″ sensor is a bit larger version of the 15″ sensor and can be utilized in similar applications to the 15″ but for larger sized-aquariums.   A great application to...

This is a power supply for the Neptune Systems FMM, DOS, ATK and Trident.

The largest of the LLS sensors is the 35″ sensor.  This sensor is to be used for large reservoirs that are often utilized for saltwater reservoirs for manual and automatic water changes...

The 4″ LLS is the smallest of the four sensor offerings.  It is the perfect fit for small reservoirs for small sumps, ATO reservoirs and additive containers.  This can be a great...

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration...

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration...

The A3 Jr is a Monitoring Only solution.  You can not turn anything on or off with it straight out of the box.  It becomes a full controller however as soon as you add a Powerbar.  To...

Key New Features in our A3 Series: The A3 Pro will include all new, industry-first, Liquid Level Sensor (LLS) which will have the ability to measure and monitor the depth of water and a new optical...

Key New Features in our A3 Series: The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector...

110V power supply for our DC24 accessories like the PMUP, GRO Refugium LED and Solenoid Valve.  You can use these when there are no available DC24 outputs on your EB832 or 1LINK but do have...

Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology...

Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology...

AQUABUS EXTENSION CABLE (M/F)-VARIOUS LENGTHS The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this...