What are common coffee brewing mistakes to avoid?

Incorrect water temperature is indeed a common coffee brewing mistake to avoid. The temperature of the water used for brewing coffee significantly affects the extraction of flavors from the coffee grounds. Ideally, water should be between 195°F to 205°F (90°C to 96°C) when it comes into contact with the coffee. If the water is too hot, it can lead to over-extraction, resulting in a bitter taste. Conversely, if the water is too cool, under-extraction occurs, producing a weak and sour flavor profile. Therefore, being mindful of water temperature is crucial for achieving a well-balanced cup of coffee.

In contrast, using fresh coffee beans, maintaining a consistent grind size, and brewing for the same time are generally considered good practices in coffee brewing. Fresh beans help in maximizing flavor, consistent grind size ensures even extraction, and the brewing time can be adjusted based on the method used and personal preference to achieve the desired taste without negatively impacting the final cup.