Backflush (each group head):

Insert blind filter in portafilter and add up to 1/2 teaspoon (3 g) of Cafiza® Powder. Insert portafilter into group head.
Activate brew cycle for 10 seconds. Stop 10 seconds. Repeat 5 times.
Remove portafilter. Activate brew cycle and rinse portafilter in stream of water from group head. Stop cycle.
Insert portafilter into group head. Repeat step (2) without Cafiza® Powder 5 times.
Make and discard a cup of espresso to ensure no residue remains.

Soak:

Soak filters and metal of portafilter for 30 minutes in 1 teaspoon (6 g) of Cafiza® Powder per 32 oz (1 L) of hot water.
Rinse with clean hot water.

Shaker Space Black