For best results during calibration use Blueriiot products (Calibration Kit = pH4, pH7, ORP 468). Otherwise you can use any standard pH4, pH7 and ORP 468 solution.
For step-by-step instructions on how to properly calibrate your Blue Connect device, check out this video tutorial:
If you have not found the information you are looking for in our Help section, do not hesitate to contact us through the Support chat