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On Sale 9%
(OPEN BOX) Apex FMM Flow Sensor – 2″ (FS-200) - Neptune Systems
Neptune Systems$109.99$99.99UNUSED CUSTOMER RETURNUsually 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... -
On Sale 9%
(OPEN BOX) Apex Trident Reagent Kit (6 Month Supply) - Neptune Systems
Neptune Systems$109.99$99.99Straps Cut Off Boxes, Reagents Untouched Trident Reagent Kit 6 Month Supply - With six month kits, the cost of running the Trident is less than $17 per month - that’s averages out to about 7... -
(OPEN BOX) Apex VDM - Variable LED Dimming - Neptune Systems
Neptune Systems$99.99UNUSED CUSTOMER RETURN Every day it seems there is yet another LED light fixture released. Each one with its own method for control and dimming. With this module, you can outfit your Apex System... -
On Sale 11%
(OPEN BOX) Lunar Simulator 5-String LED - Neptune Systems
Neptune Systems$69.99$61.99UNUSED CUSTOMER RETURN Moonlight 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... -
On Sale 9%
(OPEN BOX) Lunar Simulator Module – LSM - Neptune Systems
Neptune Systems$74.99$67.99UNUSED CUSTOMER RETURN Moonlight in the ocean is believed to be as significant as the time spent in full daylight. Moonlight triggers various internal and external biological activities... -
(PS-24-100) COR Pump Replacement Power Supply - Neptune Systems
Neptune Systems$69.99OEM 100W power supply for the COR-20 Return Pump -
10.00 pH Calibration Fluid (5 Pack) - Neptune Systems
Neptune Systems$9.99Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration... -
10.00 pH Calibration Fluid (Single Pack) - Neptune Systems
Neptune Systems$1.95Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration... -
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... -
2 Channel Apex to Light Dimming Cable - Neptune Systems
Neptune Systems$16.99Apex LED Light Dimming Cable – 2 Channel Use this cable to connect two channels of 0-10V dimmable LED lights to your Apex System or Advanced LED Dimming Module – VDM Use this cable to... -
2 Channel AquaSurf / Apex to Stream Cable - Neptune Systems
Neptune Systems$21.99This three foot cable connects to the variable outputs built into the Apex, Apex Classic, and the VDM which has two DIN5 connectors. This enables speed control of up to two TunzeTM Stream... -
2-Month Trident NP Reagent Kit - Neptune Systems
Neptune Systems$59.99Do to the nature of the chemicals used in the reagents, all orders that include Trident NP reagents must ship ground only. Replacement Reagent Kit for Trident NP (2 Month... -
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... -
24VDC 36W Apex Power Supply for DOS & FMM (PS-36-US) - Neptune Systems
Neptune Systems$34.99This is a power supply for the Neptune Systems FMM, DOS, ATK and Trident. -
35" Liquid Level Sensor (LLS-35) - Neptune Systems
Neptune Systems$109.99The largest of the LLS sensors is the 35″ sensor. This sensor is to be used for large reservoirs that are often utilized for saltwater reservoirs for manual and automatic water changes... -
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... -
7.00 pH Calibration Fluid (5 Pack) - Neptune Systems
Neptune Systems$9.99Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration... -
7.00 pH Calibration Fluid (Single Pack) - Neptune Systems
Neptune Systems$1.95Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration... -
A3 Apex Jr Aquarium Monitor (A3JRSYS) - Neptune Systems
Neptune Systems$299.95The A3 Jr is a Monitoring Only solution. You can not turn anything on or off with it straight out of the box. It becomes a full controller however as soon as you add a Powerbar. To... -
A3 Apex PRO System (A3PROSYS) - Neptune Systems
Neptune Systems$945.99Key New Features in our A3 Series: The A3 Pro will include all new, industry-first, Liquid Level Sensor (LLS) which will have the ability to measure and monitor the depth of water and a new optical...