Durgol Swiss Cleaning Products
"Coffee Maker and Espresso Machine Decalcifier and Descaler;
Founded in 1951 by Marie During-Keller when she developed a means of decalcifying lime deposits with hydrochloric acid and named her product Durgol.
Compatible with semi and super-automatic espresso machines
Regular use of specially formulated Durgol Swiss not only extends the life span of your espresso machine, but is safe to use with both semi-auto and Super Automatics.