Apex Controller

Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7 cents a test! Neptune Systems recommends keeping...

PLEASE ONLY PURCHASE 1x Two Month Supply.  We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per day)...

Dueto the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only.   These NP Reagents CANNOT ship outside the contiguous 48 US States due to...

The Crossover Diet from Neptune Systems is a new type of food that was designed specifically for coral reef tanks and specifically for automatic feeding systems. Working closely with Reed Mariculture...

Replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding...

The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor...

Neptune Systems Magnetic Probe Rack Features – MPR: Organizes up to four probes. Designed specifically for the Apex Controller probes, a perfect fit for the thicker temp probes. Built with an...

Feed your fish consistently, and safely, while you are home OR away! NOT A STAND-ALONE FEEDER (MUST BE USED WITH AN APEX SYSTEM) A key component of caring for aquatic animals is regularly providing...

(Reagents SOLD SEPARATELY) The Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to...

The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or...

This Energy Bar 832 was redesigned from the ground up.  Not only does it have eight 120V AC outlets, but it includes an internal 100W 24VDC power supply as well. That power supply feeds three...

4-pin male to male cable many of you have been waiting for. It is ten feet long. This cable allows you to connect your DŌS to the 1LINK thereby eliminating the need for the DŌS to be connected to a...

This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own...

This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical connection on this solenoid valve fits the DC24...

The ATK (Automatic Top-off Kit) is a simple, standalone, and complete solution for replacing water lost to evaporation. The new aquarium hobbyist has many challenges, but none is more annoying...

Start measuring salinity in your tank and get alerts when out of range. Buy this probe if you are: Replacing an old probe. Adding salinity monitoring to your system via a PM2.

Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first...

FMM – FLUID MONITORING MODULE IT DOES SO MUCH! This is just the module itself without and sensors. The FMM (Fluid Monitoring Module) is a module that connects to any Apex (Apex(2016), Apex Classic,...

DŌS QuietDrive - Dose. Automate. Protect. New QuietZone Modes for Reduced Noise New Continuous Duty Modes Same Reliable DŌS Hardware Compatible with A2 and A3 Series Apex Controllers In the...

COR 20 - This pump is identical in physical size to the COR 15 but with the addition of an External power supply can push over 2000gph! All that flow for less than 100w of power and it is nearly...

The PM1 probe module is just what you need if you want to monitor pH or ORP in your tank. And, there is an added bonus, you get an extra temperature port as well as six I/O switch inputs for use on...

Be alerted of water spillage and take corrective action before disaster strikes Optical sensor technology More reliable than analog counterparts Epoxy-coated and corrosion-resistant Can be...

Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The...

Cable Tie & Mount Parts Kit for Ecotech Marine Vortech Pumps. Includes 12 Cable Ties and 12 Mounting Tabs that attach to the aquarium glass.

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 section of...

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

The 1LINK module and the EB832 have two DC24 accessory outputs built that act like additional on/off outlets for DC24 devices. There are some Neptune Systems accessories, like our PMUP, that connect...

The Trident Sample Line Tubing from Neptune Systems is a replacement part for maintaining the operation of your Trident system. This tubing is designed to replace worn, dirty, or damaged sample...

Bring the award-winning pumps and lights from EcoTech Marine and AquaIllumination wirelessly under the control of the easy to use, yet powerful, Neptune Systems’ Apex and Apex Fusion interface.

Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until...

Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex, Apex Lite, or PMx module, the Breakout Box gives you an easy way to connect up to six external...

Some of the most successful reef aquariums employ the use of a macroalgae-filled growth area or refugium for the purpose of nutrient control. The GRO is a specialized, 20W LED light designed to grow...

A redesigned display module has been created with a slick new look that matches the color scheme. Orange LED

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 method. Use this...

Plug this probe into your FMM and then place it on any surface where you want to detect stray water. Upon contact with water this probe will communicate to your Apex and alerts or other actions can...

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 method. Use this...

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 method. Use this...

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 physical...

Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first...