Hi All,
Is it a wise move to add X200 & X400 at the same time to clean the system as I've got a major kettling problem after restarting the heating system after coming back from holidays.
If not should I go with the X200 for a few days then add the X400?
Regards
Paul.
Is it a wise move to add X200 & X400 at the same time to clean the system as I've got a major kettling problem after restarting the heating system after coming back from holidays.
If not should I go with the X200 for a few days then add the X400?
Regards
Paul.
