To Back – Flush each brewing group

1. Replace regular coffee filters (with holes) of each brewing group with the "blind" filters(without holes).
2. Add a half teaspoon of Sani-Cafe to dissolve.
3. Start the brewing cycle(as if preparing coffee) and run for 20 seconds to allow Sani-Cafe to dissolve.
4. Stop the brewing cycle and wait for the 10 seconds.
5. Repeat steps 3 & 4 until the water is perfectly clean.
6. Remove "blind" filter and replace with regular filter. Run brewing cycle for 20 seconds to rinse.
7. To complete the back-flush procedure, brew and discard a single espresso.

Note: Above procedure should be carried out at least once a week for optimum results.