When only a few drops come out of the portafilter, the shot is choking—when the grind is so fine that water can't flow through the coffee. To prevent this next time, try the following...
Adjust Your Grind Setting Coarser
Try adjusting your grinder slightly coarser. Small changes usually make a big difference, so you generally won't have to adjust more than a full step (i.e., one number to another on the grinder).
Make Sure You're Using a Constant Dose Size
As a rule of thumb, ±0.3 grams from your target dose is a reasonable amount of variation and usually won't change extraction. That said, the more consistent you are while dialing in, the faster you'll get a great shot. If you're not using a scale, use the same measuring tool and the same fill level every time to keep doses consistent.
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Articles in this section
- Water Hardness, Testing Your Water, & Descaling
- How to Choose Espresso Beans
- How to Prep Your Puck
- How to Pull a Shot
- How to Steam Milk
- How to Dial in Your Shot
- What to Do if the Shot Was Too Fast
- What to Do if the Shot Was Too Slow
- What to Do if the Shot Tastes Sour
- What to Do if the Shot Tastes Bitter