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Neptune Systems Apex Controllers
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Kessil Controller Cable Kessil Apex Controller Cable

Product Code: RKE33677

If ordered with a Kessil Light, this product will Ship 2-Day Air (for free)

The Kessil Apex Controller Cable connects the Kessil A360 LED Lights to the Neptune Apex Controller, and to Apex Jr. & Apex Lite Controllers with the VDM Module. 6 feet long.

Our Price: $20.00
In Stock
Neptune Systems Apex-EL Aquarium Controller Neptune Systems Apex-EL Aquarium Controller

Product Code: RNE00449

Ships 2-Day Air (free)

We will also ship any other Neptune Systems products ordered with this product 2-Day Air, free of charge!


The Neptune Systems Apex-EL Aquarium Controller has built-in WiFi, Temperature, pH, monitoring and much more!. Set reminders, log testing and dosing information, and access your tank from anywhere with Apex Fusion!

Get all the features of the flagship Apex Controller System at an affordable price with the ApexEL Aquarium Controller System.

Included WiFi lets you now connect to the internet even easier. With the Fusion Cloud interface, everything is easier from calibrating probes to customizing outlets. Fusion gives you the ability to monitor and control you Apex from anywhere in the world.

The Neptune Systems EnergyBar 832 has been completely redesigned, with more robust outlets, individual LEDs show the status of each outlet, per outlet power consumption monitoring, and 1Link Accessories like the DOS and WAV pump can now connect directly to the EnergyBar 832 saving room and eliminate messy cords keeping your tank's equipment looking perfect.

Our Price (price includes free shipping!) $499.95
In Stock
Neptune Systems Apex System Gold (New Style) w/ Energy Bar 832 and Double Junction Probes (Display not Included) Neptune Systems Apex System Gold (New Style) w/ Energy Bar 832 and Double Junction Probes (Display not Included)

Product Code: RNE17465

Ships 2-Day Air (free)

We will also ship any other Neptune Systems products ordered with this product 2-Day Air, free of charge!


The Neptune Systems Apex System Gold (New Style) w/ Energy Bar 832 and Double Junction Probes (Display not Included) has WIFI built in, includes a redesigned Energy Bar 832 with eight 120V AC outlets and an internal 100W 24VDC power supply. That power supply feeds three built-in 1LINK ports as well as two 24VDC accessory ports. Each individual outlet has power monitoring and there are individual LED indicators for each outlet. This latest Apex version also comes with a PM2 built in so you can natively monitor salinity without having to buy any extra modules or probes. It's is backward compatible with all your current Apex gear, modules, Energy Bars, Probes, DOS Pumps, WAV Pumps, etc. NOTE: This version does not have a display. You can use a SmartPhone or your computer for the display. The computer can be wired to the Apex or it can communicate with the Apex through WIFI.

Our Price (price includes free shipping!) $799.95
In Stock
Neptune Systems Apex Energy Bar 832 Neptune Systems Apex Energy Bar 832

Product Code: RNE17435
The completely redesigned Neptune Systems Apex Energy Bar 832 now has eight individual, 7 amp relayed outlets letting you use any outlet for any device. Each individual outlet can also monitor and detect power usage in amps or watts, letting you set alarms and send emails when pumps have clogged or failed, lights are not turning on, heaters leaking current, letting you be notified of the issue before it becomes a problem. With electricity costing more and more money per Kilowatt hour having the ability to monitor each pump, heater, and light lets you now make better decisions on the overall value of your equipment. Includes 1x Energy Bar 832 and 1x 3ft Aquabus Cable. Note: The Energy Bar 832 is not compatible with Classic Apex Controller Systems.

Our Price (price includes free shipping!) $249.95
In Stock
Neptune Systems Apex AquaController (Base Unit, Display, Lab pH Probe, Temp Probe & EB8) Neptune Systems Apex AquaController (Base Unit, Display, Lab pH Probe, Temp Probe & EB8)

Product Code: RNE11088

Ships 2-Day Air (free)

We will also ship any other Neptune Systems products ordered with this product 2-Day Air, free of charge!


With the Neptune Systems Apex AquaController you will be able to not only monitor what is happening in your tank, but you will also have 100% control while at home, or away to do something about it! This Apex System comes complete with: the Apex Base Unit, Apex Display Module, EnergyBar 8, pH Probe, Lab Grade, Ethernet Cable, USB Cable and Apex Temperature Probe, Extended Life.

Our Price (price includes free shipping!) $549.95
In Stock
Neptune Systems Apex Controller Base Unit Only Neptune Systems Apex Controller Base Unit Only

Product Code: RNE17285

Ships 2-Day Air (free)

We will also ship any other Neptune Systems products ordered with this product 2-Day Air, free of charge!


Upgrade your Classic Apex Controller to the newest technology with the new Apex Controller Base Unit!

Built-in WiFi, Salinity, Temperature, and pH monitoring. Set reminders, log testing and dosing information and much more! Upgrading from the Apex Classic to the new Apex Controller base unit allows you to use accessories like the EB832 and others that require the increases onboard memory and processor power.

Included WiFi lets you now connect to the internet even easier. With the Fusion Cloud interface, everything is easier from calibrating probes to customizing outlets. Fusion gives you the ability to monitor and control you Apex from anywhere in the world.

Our Price (price includes free shipping!) $399.95
In Stock
Neptune Systems WXM Wireless Expansion Module Neptune Systems WXM Wireless Expansion Module

Product Code: RNE11100
The Neptune Systems WXM Wireless Expansion Module, along with the Apex, will give you more control over your EcoTech VorTech pumps. With this module, your Apex will become the taskmaster telling your pumps exactly what to do based on time of day, feed mode, power outage mode, and just about any other thing you can can come up with. Add to that the ability to also control your EcoTech Radion LED lights and now you really have control.

Our Price (price includes free shipping!) $124.95
In Stock
Neptune Systems Apex Jr. AquaController Base Unit, Display & Temp Probe Neptune Systems Apex Jr. AquaController (Base Unit, Display & Temp Probe)

Product Code: RNE11085

Ships 2-Day Air (free)

We will also ship any other Neptune Systems products ordered with this product 2-Day Air, free of charge!


With the Neptune Systems Apex Jr. AquaController you will be able to not only monitor what is happening in your tank, but you will also have 100% control while at home, or away to do something about it! The Apex Jr. is the perfect option for those that want to have the basic functions of a controller, like light and temperature control, but have a smaller budget. comes complete with the Apex Jr. Base Unit, Apex Display Module & Apex Temperature Probe, Extended Life.

Our Price (price includes free shipping!) $239.95
In Stock
Neptune Systems FMK Flow Monitoring Kit Neptune Systems FMK Flow Monitoring Kit

Product Code: RNE17295
Measuring the flow of your aquarium’s main return pump is an incredibly useful piece of information. The problem is solved with the Neptune Systems FMK Flow Monitoring Kit (& Apex Controller). The key benefit would be to have the Apex notify you the instant the flow stops for any reason — usually the result of a failed or faulty pump. Furthermore, an indication of a reduced flow rate could be used to determine that the pump or the lines are dirty or are becoming clogged with algae, debris, animals, or the growth of organisms inside your plumbing.

Includes:

  • FMM (Fluid Monitoring Module)
  • 1" Flow Sensor (FS-100)
  • Two 1/2" Flow Sensors (FS-50)
  • Two 1" Unions
  • Two 1/2" Adapters

Our Price (price includes free shipping!) $199.95
In Stock
Neptune Systems FMM Fluid Monitoring Module Neptune Systems FMM Fluid Monitoring Module

Product Code: RNE17295
The Neptune Systems FMM Fluid Monitoring Module is a multi-purpose device that, with the help of various accessories, enables your Apex to monitor water flow, detect water levels and detect leaks.

The FMM has four ports where you can plug in various sensors and accessories (all sold separately). The best part is that they do not need to all be of the same type. This means if you want to have a flow sensor in ports 1 and 2 and then a leak detection probe in ports 3 and 4 – NO PROBLEM! Want a flow sensor for your return pump, an optical sensor for emergency sump level detection, and two leak detection probes, NO PROBLEM! Just plug them in and the FMM will automatically sense which type of sensor you have in each port.

Our Price: $99.95
In Stock
Neptune Systems FS-200 Flow Sensor - 2" w/ Unions Neptune Systems FS-200 Flow Sensor - 2" w/ Unions

Product Code: RNE17245
Usually used with a return pump, this Neptune Systems FS-200 Flow Sensor - 2" w/ Unions can be placed in line with the flow on any pipe, connected to the Neptune Systems FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses British Standard Parallel Pipe (BSPP) threads so for North American customers we have included two specially designed PVC unions with slip fittings to adapt it to standard 2″ PVC plumbing. The FS-200 will work with flow rates from 300-3000 gph.

Our Price: $99.95
In Stock
Neptune Systems FS-100 Flow Sensor - 1" w/ Unions Neptune Systems FS-100 Flow Sensor - 1" w/ Unions

Product Code: RNE17255
Usually used with a return pump, this Neptune Systems FS-100 flow sensor can be placed in line with the flow on any pipe, connected to the Neptune Systems FMM, and communicate to your Apex the flow rate of water through that pipe. The flow sensor itself uses BSPP threads so for North American customers we have included two specially designed PVC unions with slip fittings to adapt it to standard 1″ PVC plumbing. The FS-100 will work with flow rates from 150-1500 gph.

Our Price: $59.95
In Stock