It seems neither the android nor apple app work when calibrating - used GCC and it worked 1st time
Type: Posts; User: Collo-Collo
It seems neither the android nor apple app work when calibrating - used GCC and it worked 1st time
Hi after receiving my kh director at the end of November, I installed it yesterday - but I have a small issue - one of the final steps is to calibrate the pH probe - it will not calibrate - just...