The system is packed with K2CO3, which add acid. This process is monitored by changing the methyred red sensor with measuring other indicatoer measuring radiation.
The system is packed with K2CO3 as acid supplement up. The process is monitored by the red shift of methyred indicatoer detection sensor, which monitors radiation.
In the system is full of K2CO3 which acid has been increasing. This process, check with the change of methyred red indicatoer Seung measure with sensor radiation measurement.