NEPTUNE SYSTEMS APEX TEMPERATURE PROBE ESV Aquarium Products every detail has been meticulously

every detail has been meticulously attended to

super-sensitive leak detection probes and place them where you want that oh-so-important protection for your floors

G5 Diffusers custom-designed to fit G5 models only

Reef Crest Mode

NEPTUNE SYSTEMS APEX TEMPERATURE PROBE ESV Aquarium Products every detail has been meticulouslyReplace 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 another tank to your system via a PM1. Want to have more accurate readings on your PM2 PM3 modules by adding temperature compensation.