6288 San Ignacio Ave. #B
San Jose, CA 95119
Phone: (408) 578-3022
Fax: (408) 578-9383
sales@neptunesys.com

Neptune Systems was founded in 1995 for the purpose of developing affordable water quality monitoring and control instrumentation. Our engineering team has extensive expertise in computer hardware and software system design as well as a background in water quality analysis. With these engineering skills we develop innovative monitoring and control solutions for use in reef and fresh water aquariums, aquaculture tanks, hydroponics systems and general laboratory use.

AquaController Jr - New Look!

Starting at $149.95 the AquaController Jr base unit delivers the highest price performance ratio in the industry and brings truely affordable aquarium monitoring and control to tanks of all sizes. The AquaController Jr has the same great programming configuration language of our higher end controllers as well as the temperature and pH monitoring and control, lighting and pump/powerhead control. Read more here. Now bundled with the DC8 at the amazing price of $224.95!

The Jr is now available with an optional serial port. When the controller is connected to your PC running AquaNotes Lite (our free Windows software) the internal datalogs can be downloaded/graphed, and the unit can be configured from your PC. With the full version of AquaNotes email alarms, web server, event logging, and many other great features are available.

AquaController III - New Look!

By far the most advanced aquarium controller on the market is now available. In addition to monitoring and controlling Temperature, pH, ORP, lights, pumps, etc., you can access, configure, and display all pertinent data with any web browser from any internet enabled computer. The AquaController III adds a Ethernet port with webserver, email alarms, and telnet server. Probe expansion modules and flash firmware upgrades ensure that this controller will not become obsolete any time soon. Of course the same great programming language of the previous controllers is still available - in fact it has been enhanced to make it more powerful than before. Read more here.

AquaNotes Lite is now available for FREE and can be used with any of our controllers with a computer connection. Read more about AquaNotes here. Download AquaNotes Lite.

The PX 1000 Probe Expansion Module is now shipping! Add additional pH, ORP, and temperatures probes as well as digital inputs to your AC3 or AC3Pro. Click here to learn more.

AquaSurf NEW
The AquaSurf allows the AquaController to control any of the variable speed stream pumps which are compatible with the Tunze 7095 controller. It has 4 independent channels for controlling 4 pumps. Each pump can be independently configured in both intensity, and on/off times. More information available here.