Products

The OpenSpaMonitor is not just for Spas.   It can be used in pools, aquariums, and other water bodies that need to be managed.  

If you are interested in building a OpenSpaMonitor please contact me brian.huebner@gmaildotcom.  Kits will be available.

SpaSitter Delux: pH, ORP and Temperature sensor with Nanode Classic:
  • High quality pH probe for extended use, gel reference solution for high temperature resistance
  • High quality ORP probe for extended use,  gel reference solution for high temperature resistance
  • Water proof temperature sensor

SpaSitter Classic : pH and Temperature sensors with Nanode Classic:



pH probe







1130 Phidgets pH / ORP adaptor







DS18B20 Waterproof temperature probe

With 4.7 k Ohm resistor and proto board








Nanode V5 with Optiboot

1 comment: