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i make 1-4 coffees a day and once I got the coffee dialled in the next shot would be out again, so i'd have to adjust again and then the next one would be fine but the one after would be out again. that kind of thing and we're talking big jumps, in some cases it would be vastly different. some beans i'd end up moving +/- 8-10 micro adjustments on the grinder which are quite big changes.
has happened with about 8 different batches of coffee from 3 different roasters.
the coffee produced was still not bad and when it was pulled correctly tasted great so i'm not disparaging any of the other roasters but for some reason the only bean that is rock solid every time in my setup is red brick.
like i said it's odd (and a shame as I enjoy trying different beans)
Do you mean when pulling a shot on different days you're having to adjust the grind more? Or shots one after the other?