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Apex PM2 - Salinity, Temperature, I/O Expansion Module - Neptune Systems
Neptune Systems$94.99Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack... -
Double Junction Lab Grade pH Probe - Neptune Systems
Neptune Systems$94.99Double junction probes place a second vessel inside the main electrolyte with a second internal junction. The means that even when the aquarium water eventually begins to make its way in the first... -
23" Liquid Level Sensor (LLS-23) - Neptune Systems
Neptune Systems$84.99The 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... -
Lunar Simulator Module – LSM - Neptune Systems
Neptune Systems$74.99Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and external biological activities among the many thousands of reef... -
(PS-24-100) COR Pump Replacement Power Supply - Neptune Systems
Neptune Systems$69.99OEM 100W power supply for the COR-20 Return Pump -
Lunar Simulator 5-String LED - Neptune Systems
Neptune Systems$69.99Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and external biological activities among the many thousands of reef... -
Apex FMM Flow Sensor – 1″ (FS-100) w/Unions - Neptune Systems
Neptune Systems$65.99Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The... -
15" Liquid Level Sensor (LLS-15) - Neptune Systems
Neptune Systems$64.99Probably 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... -
PMUP (T) V2 Practical Multipurpose Utility Pump w/Power Supply - Neptune Systems
Neptune Systems$62.99The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. This listing includes a Power Supply. Automatic Top-Off (ATO) Carbon reactors GFO... -
Lunar Simulator 4-String LED - Neptune Systems
Neptune Systems$59.99Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and external biological activities among the many thousands of reef... -
Apex Trident Reagent Kit (2 Month Supply) - Neptune Systems
Neptune Systems$49.99PLEASE ONLY PURCHASE 1x Two Month Supply. We will not be able to restock any reagents for the next 30 days. 2-month reagent kit (based on the default testing schedule of 4-Alk/2-Ca/2-Mg per... -
4" Liquid Level Sensor (LLS-4) - Neptune Systems
Neptune Systems$47.99The 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... -
Apex Breakout Box - Neptune Systems
Neptune Systems$47.99Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex, Apex Lite, or PMx module, the Breakout Box gives you an easy way to connect up to six external... -
Lunar Simulator 3-String LED - Neptune Systems
Neptune Systems$47.99Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and external biological activities among the many thousands of reef... -
PMUP V2 Practical Multipurpose Utility Pump - Neptune Systems
Neptune Systems$47.99The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium. Automatic Top-Off (ATO) Carbon reactors GFO reactors Biopellet reactors Many other salt or... -
Apex MPR Magnetic Probe Rack - Neptune Systems
Neptune Systems$44.95Neptune Systems Magnetic Probe Rack Features – MPR: Organizes up to four probes. Designed specifically for the Apex Controller probes, a perfect fit for the thicker temp probes. Built... -
Optical Multi-Surface Leak Sensor (LD-3) - Neptune Systems
Neptune Systems$42.99New to the leak detector offerings is the Optical Multi Surface Leak Sensor (LD-3). This is a weighted sensor that is an improved sensor and design over our Solid-Surface Leak Sensor (LD-2)... -
Magnetic Optical Sensor (MOS) - Neptune Systems
Neptune Systems$41.99The 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... -
SKY Aquarium LED Hanging Kit - Neptune Systems
Neptune Systems$37.99Hanging Kit used to Hang the Neptune System's new SKY LED. -
DOS Replacement Pump Head Cap - Neptune Systems
Neptune Systems$36.99DŌS Replacement Pump Head Cap for your Neptune Systems DŌS module. Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that these be replaced...