How To Backwash
VIDEO HERE
Step by Step
Remove one of the portafilters from the machine and pop out the filter basket using a spoon
Replace the filter basket with a solid one, and place the filter into a bucket of warm water
Place the portafilter back into the machine and turn it on for 10-15 seconds,
Repeat this 7-8 times and then tip out the sediment and water
Continue tipping out each time until the water is clear/doesn't produce sediment
Take out the group head and pop out the basket out with a spoon, then replace the filter basket
Put the portafilter back into the machine and repeat with the other head