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February 13, 2026
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Short Description: Apex LDK Leak Detection Kit 1 FMM, 2 Solid Surface Leak Detection Probes, ABUS3
Item #: NE123
Manufacturer: Neptune Systems
Category: Testing & Controllers*
Subcategory: Controllers & Monitors
Related Product:
Substitute Product:
Use product with: Apex OS-1-M Optical Sensor with Magnetic Mount

 

Detecting a leak early can be the difference between saving a tank to an entire loss. Neptune's Leak Detection Kit is the perfect solution for anyone that uses an Apex Controller to monitor and control their aquarium. The LDK system will plug right into your current Apex through the Aquabus connections and includes two Leak Detection Sensors. The sensors can be placed in multiple areas around your tank and its equipment.�

Pairing an Apex Controller with the LDK lets you monitor and control your aquarium in the event of a leak or an overflow. With Neptune Fusion, you can easily set up alarms that will notify you if a sensor ever detects moisture, and also control any equipment that is powered by an EnergyBar. One common example of common programming and placement is to place a leak detection probe on top of your protein skimmers lid, and if it ever overflows the sensor can notify your Apex of the issue, and shut down the protein skimmer keeping all the skimmate from flowing back into your aquarium.�

Suggested Sensor Locations:
Under the Stand
Under Carpeting
Under RODI Systems
Next to ATO Reservoirs
Above Protein Skimmer Lids
Under Potential Leak Points
Next to External Equipment

What's Included?
1x FMM Module
2x LD-2 Solid Surface Leak Detection Probe
Note: Updating your Apex Controller to the latest AOS is required.


Type Use: Saltwater
 
Sugg Price: $154.95
Our Price: $129.75
   


Other important information about this product:


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