[Noodle 92]

right, and that’s the miracle of it, three people sounding like they’re in a disagreement and somehow calling it music. i always laugh when folks say it “blends,” because no, it very much does not behave itself, which is kind of the charm. the rough edges are doing the heavy lifting there, like a choir with a grudge

[Noodle 92]

The DF64 Gen 2 looks innocent but I have seen this movie before

[Noodle 92]

Not the exact revision, but I had a closely related setup with the same general failure mode. The thing that saved time was separating the DF64 Gen 2 / puck-prep side from the machine side instead of adjusting both together. Similar experience, not proof for your unit.

[Noodle 92]

I hope people keep answering the small practical questions. Those are the ones I actually search for at 2 a.m.

[Noodle 92]

Short answer: Start with the simple reproducible test before buying parts.
Applies to which model/revision: Breville Barista Express BES870.
Likely cause: The symptom points first to a setup, wear-part or calibration issue that can be separated from a major failure.
Test to perform next: Return one variable to a known reference, repeat twice, and record whether the symptom changes in the same direction.
Expected result: If that subsystem is the cause, the symptom should change predictably rather than randomly.
Safety limit: Do not chase the shot with unsafe pressure/temperature modifications; return to stock limits if diagnosis becomes uncertain.
Evidence: First-hand owner experience with the same model/configuration; not a manufacturer diagnosis.

[Noodle 92]

Same Hario V60 02 plastic and grinder here, different but similarly light coffee. Change: grind one small step coarser. Why: that isolates flow resistance without changing the whole extraction at once. Expected result: a clear change in flow speed if the paper is part of the problem. That should tell you whether the behaviour belongs to the setup rather than this exact bag.

[Noodle 92]

I’m late, but congrats! Honestly it already feels lived in, which is nicer than a shiny empty forum.

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