What is a very good Espresso machine

[germantown rob]

Originally Posted by floydpink

Florida water.

So are you just running citric acid through the water reservoir till the boiler fills, flushing till you get it through the system,then letting it sit, then flushing till clean?
or
Tricking the boiler to overfill with water and citric acid and draining the boiler after it sat hot for awhile then flushing group head and wand and guts with more citric acid?

The problem with hard water and scale build up in the boiler is the scale collects above the water line so it doesn't get removed with first procedure.