Stone Espresso: Fixing A Clogged Gicluer Valve 1 year ago Stone You may also like Descaling the Stone Espresso Machine 1 year ago Stone TechTip: Removing the Top and Side Panels on the Stone HX Espresso Machine 1 year ago Stone 1st-line Bean Hopper Spindle Replacement Silvia Pro X: Unboxing and Setting Up (from Rancilio)