Neptune Systems

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...

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.

Kit Includes 1x FMM Module, 2x Solid Surface Leak Detection Probe. Aquarium leaks are one of the most feared events for even the most seasoned aquarist – and for good reason. When it comes to...

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...

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...

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...

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 Trident is an automated testing system that regularly tests alkalinity, calcium, and magnesium in your saltwater aquarium — and then communicates this information to your Apex so you can...

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...

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...

Every day it seems there is yet another LED light fixture released. Each one with its own method for control and dimming. With this module, you can outfit your Apex System with the ability to...

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

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 (2L) of fluid Connects directly to your...

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...

DŌS Replacement Pump Head Cap for your Neptune Systems DŌS module.  Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that these be replaced...

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...

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...

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...

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...

This Package Includes: 1x - Full Apex A3 PRO WIFI Controller System 1x - Apex TRIDENT - Automatic Water Tester w/2 Month Reagents & Calibration Fluids 1x - Neptune DOS QD Dosing Pump The...