Every good barista or home coffee lover should care for your espresso coffee machine. Cafiza 2 from the American brand Urnex is a professional product for the cleaning of espresso coffee machines with backwash and their components from coffee grounds.
Urnex Cafiza 2 is a powerful yet biodegradable product, the health of which is certified by NSF (www.nsf.org)
Instructions for use (back flushing machine): 1) Insert a blind sieve into the coffee maker lever. Pour about 1/2 teaspoon of the preparation (3g) and replace the lever. 2) Start the coffee machine just like you're preparing espresso for 10 seconds. Turn off, wait for 10 seconds and run for 10 seconds again. Repeat this way 5 times in succession. 3) Remove the lever again and turn on the coffee maker again as you prepare espresso - let the water run out. 4) Reattach the lever and repeat the whole point 2 but without the cleaning product. Again five times in a row. 5) Allow the first epress to prepare for the first epress.
After cleaning the internal device, prepare a bath to clean the lever. For 1 liter of water, add 1 teaspoon of Cafiza 2, mix and dip the levers. Leave for about 30 minutes and then remove the levers and thoroughly wash them under running water.