Hardware

Neptune Systems PMK PAR Monitoring Kit

You can use it for automatic water changes once a week or even once a day, minor trace element additive dosing, liquid food dosing, or pretty much any other liquid your tank m...

Neptune Systems EB4 Energy Bar 4

Easily fitting in most common ATO reservoirs, and having a head height of over 12 feet means that it can even pump water up a full story in most ordinary households or the pow...

Neptune Systems PM1 pH/ORP Probe Module

Customize your Neptune Apex Controller with the I/O Breakout Box. Add float switches, magnet switches, or any other open/closed device.

Neptune Systems GRO Refugium Light with Flat Tank Mount Bracket

Neptune Systems LD-3 Optical Multi-Surface Leak Sensor

Neptune Systems OS-1 Optical Level Sensor V2

Neptune Systems FMM Fluid Monitoring Module

Neptune Systems PM3 Dissolved Oxygen Module

Neptune Systems GRO Refugium Light with Pipe Mount

Neptune Systems SKY LED Aquarium Light