Click to Verify - This site chose VeriSign SSL for secure e-commerce and confidential communications.
Security Seal
Marine Depot Live Chat Support
Pet supplies, Pet products, and Pet Accessories for your dogs, cats, birds, fish, reptiles or small pets. Pet experts are available to help you.
New Customer? Register | Sign In
MarineDepot.com Low Price Guarantee
0 items
Your cart is currently empty.
View Cart Checkout
Aquarium Supplies

Neptune Systems Apex Aquarium Controller & Monitor (AquaController) for pH, mV (ORP) and Temperature

Neptune Systems AquaController Apex & Jr. Neptune Systems is one of the world’s leading manufacturers of aquarium controllers. The company was founded in 1995 for the purpose of developing affordable water quality monitoring and control instrumentation. Their engineering team has extensive expertise in computer hardware and software system design as well as a background in water quality analysis. Neptune Systems uses these finely-honed engineering skills to develop innovative monitoring and control solutions for use in reef and fresh water aquariums, aquaculture tanks, hydroponics systems and general laboratory use.

Neptune Systems is best known for their AquaController line, a feature-rich set of aquarium controllers that allow hobbyists to automate their lighting, temperature, water flow, pH and ORP. The company has built a reputation for innovation, product expandability and customer centricity.
Features Apex Jr. System1
Neptune Systems Apex Jr. System
Apex Lite System2
Neptune Systems Apex Lite System
Apex System3
Neptune Systems Apex System
Temperature Monitor/Control
pH Monitor/Control Optional w/ PM1
(pH probe optional)
ORP Monitor/Control Optional w/ PM1 Optional w/ PM1
2nd pH Monitor/Control Optional w/ PM1 Optional w/ PM1
Conductivity/Salinity Monitor/Control Optional w/ PM2 Optional w/ PM2 Optional w/ PM2
Dissolved Oxygen Monitor/Control Optional w/ PM3 Optional w/ PM3 Optional w/ PM3
Display Optional Graphical (8x20) Graphical (8x20)
Ethernet Port
Web Server Monitor/Control/Configure with browser)
Email Alarms
Flash Memory for Easy Firmware updates
Digital Inputs 6 Optional w/ PMx 6 6
Moon Simulation
Seasonal Temperature Variation
Seasonal Sunrise/Sunset
Maximum AquaBus Modules4 5 240 240
Datalogging
(1,000s of entries)

(10,000s of entries)

(10,000s of entries)
Alternate Power Source
Variable Speed/Dimming Port (0-10V) Optional w/ VDM Optional w/ VDM 4
Legacy Support (D4HD, DC8)
1 - Apex Jr System includes: ApexJr base module w/ 4 controllable outlets, temperature probe, and Ethernet cable.
2 - Apex Lite System includes: Apex Lite base module, Apex display, EnergyBar 8, temperature probe, and Ethernet cable.
3 - Apex System includes: Apex base module, Apex display, EnergyBar 8, temperature probe, standard pH probe, and Ethernet cable.
4 - Apex Jr supports a maximum of 4 AquaBus devices and 1 AquaBus display.
Neptune Systems AquaController Apex Systems
Item #Description Price 
NS11087Neptune Systems Apex AquaController System with Standard Grade pH Probe $499.95
NS11088Neptune Systems Apex AquaController System with Lab Grade pH Probe $524.95
NS1147Neptune Systems AquaController Apex Lite System $369.99
NS1313Neptune Systems AquaController Apex Jr w/ Display & Temperature Probe $219.99
Control Hardware
Item #Description Price 
NS3331Neptune Systems Apex AquaController PM1 pH or ORP, Temperature, I/O Expansion Box $84.95
NS3333Neptune Systems Apex AquaController PM2 Conductivity, Temperature, I/O Expansion Box $85.99
NS3335Neptune Systems Apex Wireless Expansion Module (WXM) $124.99
NS3337Neptune Systems Apex Probe Module 3 (Dissolved Oxygen, Temp) Expansion Box $94.99
NS3339Neptune Systems Apex Variable Speed/Dimming Module (VDM) $99.99
NS3381Neptune Systems Dual 120V Socket Expansion $49.99
NS3391Neptune Systems Energy Bar 8 Expansion Unit $159.99
NS3393Neptune Systems Energy Bar 4 Expansion Unit $119.99
NS9131Neptune Systems Dimmable Lunar Simulator Module LSM w/ 2 Moonlight LEDs $79.95
NS9133Neptune Systems Dimmable Lunar Simulator Module LSM w/ 3 Moonlight LEDs $89.95
NS9135Neptune Systems Dimmable Lunar Simulator Module LSM w/ 4 Moonlight LEDs $99.95
NS9137Neptune Systems Dimmable Lunar Simulator Module LSM w/ 5 Moonlight LEDs $109.95
NS11101Neptune Systems Advanced Leak Detection Module $74.95
NS11102Neptune Systems Leak Detection Probe - Low Profile $29.95
NS11103Neptune Systems Leak Detection Probe - Solid Surface $29.95
Click here for Neptune Systems Dimmable Lunar Simulator. These are designed for the Neptune Aquacontroller.
Probes and Probe Accessories
Item #DescriptionPrice 
NS5111Neptune Systems Standard Grade pH Probe$44.99
NS5113Neptune Systems Lab Grade pH Probe$69.95
NS5131Neptune Systems Standard Grade ORP Probe$64.95
NS5133Neptune Systems Lab Grade ORP Probe$72.99
NS5155Neptune Systems Temperature Probe For Apex Controller AquaController Jr, AquaController 3 and PX1000 ONLY$29.99
NS5191Neptune Lab Grade Conductivity Probe$139.98
NS5171Neptune Oxygen Probe with 10 foot Cable$599.99
NS5413Neptune Systems I/O Break Out Box for Apex, Apex Lite, AquaController 3, or AquaController 3 Pro$39.99
AM1413American Marine Pinpoint pH Calibration Fluid #4$1.24
AM1415American Marine Pinpoint pH Calibration Fluid #7$0.99
AM1417American Marine Pinpoint pH Calibration Fluid #10$0.99
CP2133pH 4.0 Buffer/Calibration Solution 500 ml$11.99
CP2135pH 7.0 Buffer/Calibration Solution 500 ml$12.49
CP2137pH 10.0 Buffer/Calibration Solution 500 ml$11.99
NS5391Neptune Conductivity Calibration - 447 ms$3.29
NS5393Neptune Conductivity Calibration - 53.0 ms$3.79
YNS5373Oxyguard Calibration Kit$69.99
AL3111Aqua Logic 1/2 inch Diameter Sensor Probe Holder w/ Suction Cup (1 piece only)$4.00
* - for Pro version use only
Software and PC Accessories
Item #Description Price 
NS55113 ft. AquaBus Cable (Male/Male) Neptune Systems Apex AquaController $13.99
NS55136 ft. AquaBus Cable (Male/Male) Neptune Systems Apex AquaController $15.99
NS551915 ft. AquaBus Cable (Male/Male) Neptune Systems Apex AquaController $19.99
NS553915 ft. AquaBus Extension Cable (Male/Female) Neptune Systems AquaController $19.99
NS55512 Channel AquaSurf/Apex to Stream Cable Neptune Systems AquaController $19.99
NS55531 Channel Apex to Stream/1 Channel Light Dimming Cable Neptune Systems AquaController $18.99
NS55552 Channel Apex to Light Dimming Cable Neptune Systems AquaController $15.99

This item is temporarily unavailable but will be back in stock soon.

Item #
Price:
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.

Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

Your Email:
Just enter your email address below and we'll let you know when the product you are looking for becomes available!

Item Code:
Price:
Your Email:
Email Specials
Subscribe to our newsletter feed.
Newsletter Tips & Tricks! New Products!
Discounts & Promos!
Testimonials
May 11, 2013
"Marine Depot matched prices and delivered very quickly. The Stunner adds a good color to the tank."
webb01

May 11, 2013
"As always my experience with Marine Depot was 'overall satisfaction.' If on the phone, by video or the write-in reviews on the product I am interested in, they are always helpful. When I am in doubt of what product will help me or where to find it, Marine Depot is usually the first and last place I go to."
jtmcelwee

May 9, 2013
"I have had nothing but good experiences with Marine Depot. I would recommend them in a heartbeat."
giuliano_cataford

MarineDepotLive.com - Buy WYSIWYG Clams