that's a lot of coffee wasted
Depends on how many coffees you make in a session - The more you make, that 5g is spread over the number of espressos you pull. Also, there's no need to purge 5g each and every time throughout the day either. The tiny bit of coffee exposed to the atmosphere at the end of the chute channel is really nothing to be concerned about for coffees you make throughout the day; you wouldn't be able to pick it from one shot to the next. Has been discussed here over many, many years ad nauseam, by a lot of very experienced CSers and industry professionals...

Mal.

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