1) An excessively coarse grind, an insufficient quantity of coffee, or inadequate tamping of the grounds prior to brewing can all result in insufficient pressure for an optimal extraction.
2) It's crucial to understand that the volume of espresso extracted will fluctuate based on the grind size and quantity, and adjustments may need to be made if these factors are changed.
1) An excessively coarse grind, an insufficient quantity of coffee, or inadequate tamping of the grounds prior to brewing can all result in insufficient pressure for an optimal extraction.
2) It's crucial to understand that the volume of espresso extracted will fluctuate based on the grind size and quantity, and adjustments may need to be made if these factors are changed.