If you want to know how to backflush your Quick Mill Pathfinder, this article covers everything you need to know about this essential part of espresso machine maintenance.
Backflushing is the single most important cleaning procedure for Prosumer-style machines. It is the best way to prevent scale buildup in the system. Backflushing should be done at least once a week with the recommended backflushing powder. The video below goes over a general backflushing procedure which applies to most Prosumer machines.
Maintaining Your Espresso Machine - Backflushing