1. Create a cleaning solution with Cafiza Powder, Biocaf Powder or Puro Powder, following the directions.
2. Dip the Scrubz sponge into the cleaning solutoin.
3. Press sponge into the portafilter. Make sure the basket has already been removed.
4. While in portafilter, twist sponge to ensure thorough cleaning.
5. Rinse all parts and sponge.