Apex Probes

DIY service kit for the Neptune Systems Trident.DIY Trident Service Kit: PrefaceIf you have selected the DIY Trident Service Kit option from the Tr...

Neptune has designed a Magnetic probe rack that will hold up to 4 probes with one hole being slightly oversized to hold those larger probes like th...

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 w...

Long-life Temperature Probe - replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensa...

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 we...

Monitoring Salinity in an Aquarium can be a ChallengeGet Reliable and Consistent Readings with the SPS KitOne of the biggest challenges with conduc...

The Neptune MOS replaces the previous OS-1-M and features an updated design that fits into tighter spaces and helps to prevent water incursion into...

Start measuring salinity in your tank and get alerts when out of range Buy this probe if you are: Replacing an old probeAdding salinity monitoring...

The Neptune Lab Grade pH Probe is great for any monitor or controller that requires a BNC style connection with a high quality probe. If you are b...

Solid surface advanced leak detection probe designed to be used with the Neptune Apex System's fluid monitoring module. This probe can be used on a...

ORP is the Oxidation Reduction Potential that your aquarium has. As it can be mistaken for it is not the dissolved oxygen available in the tank as...

Low profile advanced leak detection probe designed to be used with the Neptune Apex System's fluid monitoring module. The low-profile design means ...