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Magnetic Optical Sensor (MOS) - Neptune Systems
Neptune Systems$59.99The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected... -
Optical Multi-Surface Leak Sensor (LD-3) (Connects to FMM port) - Neptune Systems
Neptune Systems$59.99Be alerted of water spillage and take corrective action before disaster strikes Optical sensor technology More reliable than analog counterparts Epoxy-coated and corrosion-resistant Can be reused after contact with water Nonreactive to metallic... -
15" Liquid Level Sensor (LLS-15) - Neptune Systems
Neptune Systems$79.99Probably the most popular sized level sensor this is the ideal sensor for your average containers used in and around aquarium. This will be the ideal sensor for measuring the return pump section of your sump. You will be able to make... -
A3 Apex System (A3APEXSYS) - Neptune Systems
Neptune Systems$659.99Key New Features in our A3 Series: The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector (LD-2). The most successful aquariums are those... -
A3 Apex Jr Aquarium Monitor (A3JRSYS) - Neptune Systems
Neptune Systems$299.95Neptune Systems A3 Apex Jr: Essential Aquarium Monitoring & Protection The A3 Apex Jr is the perfect entry point for hobbyists looking to safeguard their aquarium without the complexity of a full-scale controller. Designed as a dedicated... -
23" Liquid Level Sensor (LLS-23) - Neptune Systems
Neptune Systems$99.99The 23″ sensor is a bit larger version of the 15″ sensor and can be utilized in similar applications to the 15″ but for larger sized-aquariums. A great application to consider is utilizing these advancing a roller mat... -
4" Liquid Level Sensor (LLS-4) - Neptune Systems
Neptune Systems$59.99The 4″ LLS is the smallest of the four sensor offerings. It is the perfect fit for small reservoirs for small sumps, ATO reservoirs and additive containers. This can be a great solution to double check that liquid additions of your... -
A3 Apex Jr Aquarium Monitor w/Insight Pro Display (A3JRSYS) - Neptune Systems
Neptune Systems$499.90The Neptune Systems Apex Jr. with Avid Aqua Insight Pro Display is the ultimate entry-level monitoring and control solution for the modern reef keeper. This bundle combines the proven reliability of the Apex ecosystem with the sleek, real-time... -
A3 Apex System w/Insight Pro Display (A3APEXSYS) - Neptune Systems
Neptune Systems$859.94Includes Insight Pro Display Key New Features in our A3 Series: The A3 Apex will include a new Magnetic Optical Sensor that is designed to better prevent water incursion and includes our classic Solid Surface Leak Detector (LD-2). The most...