Prevention is simple: store beans properly, buy in small quantities, and adjust your recipe as the seasons change. In hot months, grind finer, shorten the ratio, and use slightly cooler water. Clean your grinder weekly to avoid humidity clumps. And if you're shopping for new gear, look for a grinder with low retention and an airtight bean hopper.

For more troubleshooting guides, check out our pour-over fix or explore the Windbar community where other coffee lovers share their summer brewing tips.