Keep your espresso investment in top condition with Biocaf's Coffee Cleaning Powder. Coffee cleaning powder is an excellent catch-all solution for removing coffee oil buildup in your machine's group, portafilter, and baskets. Use Biocaf as a regular backflushing detergent, or mixed in warm water to soak your portafilter free of its brown coffee stains. Best of all, the Biocaf line features biodegradable, phosphate-free formulation while offering the same cleaning strength as traditional detergents. 500 gram container.