Hi Barista exchange,
I am brewing an espresso blend equal parts brazil, El Salvador, and Papua New Guinea. When it is pulling right it has bright, citrus tones throughout with a deep spicy body that finishes with a coca and lingers. Usually I find that taste from 18.5g in, 32-36g out with an extraction time of around 25 seconds. Obviously this changes daily, and with every bag, and every shot; as is the natural product of working with organic plant matter. Anyway, the problem I am having is this: once every few weeks the grinder will make loud crunching noises as it grinds, and from that point on everything seems to be extremely inconsistent. I weigh the dose for every shot, and after the anomaly with the grinder the espresso seems to be doing whatever it feels like. Has anyone experienced this before? Or have a theory as to possible causes? Or am I totally losing my mind?
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