Ondilo ICO calibration stand

For calibrating the Ondilo ICO Pool tester.

If you already have ph7, ph4 and ORP 470mv solution and dont have the original calibration stand from ICO. Then you can print this tool and use it for calibration.

Follow this guide to calibrate
https://www.youtube.com/watch?v=vGA2pujSYIk

It´s a close copy of the original - modeled from a picture and some measurement on the ICO device itself.

Have fun...