Hi All,
I have hit a problem with my Coretto roasted Chesterton A beans. I roasted them a week ago and pulled them just before second crack. My machine is a Breville Oracle and the extraction is all over the place ie I can't dial the coffee in. Currently I have the grind set to 20 (looser grind than other beans similarly roasted) and the pours are randomly ranging from over to under extracted (4 pours this morning were under, under, perfect and over extracted without changing the grind). If I switch back to my China or PNG beans I have to tighten my grind back to the standard setting of 14 and extraction is spot on and repeatable.
I wasted a Hopper of beans trying to dial in these Australian beans and it is doing my head in. I was hoping someone might be able to give some insight/suggestions for what is occurring?
Cheers,
Chris
I have hit a problem with my Coretto roasted Chesterton A beans. I roasted them a week ago and pulled them just before second crack. My machine is a Breville Oracle and the extraction is all over the place ie I can't dial the coffee in. Currently I have the grind set to 20 (looser grind than other beans similarly roasted) and the pours are randomly ranging from over to under extracted (4 pours this morning were under, under, perfect and over extracted without changing the grind). If I switch back to my China or PNG beans I have to tighten my grind back to the standard setting of 14 and extraction is spot on and repeatable.
I wasted a Hopper of beans trying to dial in these Australian beans and it is doing my head in. I was hoping someone might be able to give some insight/suggestions for what is occurring?
Cheers,
Chris

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