Aquarium Controller

The FMM (Fluid Monitoring Module) is a multi-purpose module that, with the help of various accessories, enables your Apex to...

FS-200 Flow Sensor - 2" will work with flow rates from 300-3000 gph, and will connect to any standard...

The Fluid Monitoring Module (FMM) is a multi-purpose device that, with the help of various accessories, enables your...

FS100 Flow Sensor - 1″ is used with a return pump, this flow sensor can be placed in line...

Flow Sensor FS-25 - 1/4″ for the Fluid Metering Module from Neptune and usually used with a return pump,...

FS-50 Flow Sensor - 1/2″ can be placed in line with the flow on any pipe, connected to the...

Breakout Box connects external switches and i/o inputs to your Apex When connected to the I/O Port of...

Lab Grade Conductivity / Salinity Probe provides accurate water parameter measurement essential for maintaining a marine aquarium.  Start measuring...

Lab Grade ORP Probe is a quality probes for Neptune Systems AquaController Apex systems and tend to last longer,...

Lab Grade pH Probes tend to last longer, give more accurate results, stay calibrated longer, and need replaced less...

Low-Profile Leak Detection Probe LD1 is designed to be placed underneath your carpet, stand or any other device but...

Leak Detection Probe for solid surface used in combination with the ALD (Advanced Leak Detection) module and keeps the detection surfaces solidly...

The Leak Detection Kit (LDK) detects a leak, your Apex can sound an alarm, send an alert to...

Lunar Simulator Module - LSM allows the AquaController to control and vary the intensity to a 2 to 5...

Magnetic Probe Rack - MPR designed specifically for the Apex and it will hold the larger diameter temperature...

  Optical Level Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing...

pH Probe Double Junction letting you go longer between calibrations, and having to purchase and replace probes less...

The PM1 - pH/ORP Probe Module uses to monitor pH or ORP in your tank. This module is perfect...

Salinity Module - PM2 will be constantly monitoring of salinity in your aquarium and will let you know the minute it is...

Neptune Systems - PMK - PAR Monitoring Kit allows you to monitor and log your aquarium’s light levels 24...

Practical Multi-Purpose Utility Pump - PMUP is a 24VDC submersible pump that can be used for many different tasks on...

Stand (Orange) For PMUP and Optical sensor designed to hold the PMUP upright, notify you if your ATO...

Standard Grade ORP Probe - PRBORPS are accurate and long-lasting, and designed specifically for Neptune Systems Apex Controllers. ...

Standard Grade PH Probes tend to last longer, give more accurate results, stay calibrated longer, need replaced less frequently....