Measure the coffee and water, keep the brewer clean and adjust one variable at a time to find a filter coffee you enjoy every morning.
Begin with something repeatable
One morning's coffee is thin; the next is much stronger. Before changing beans, measure how much coffee and water you are using. Keep those amounts steady for a few brews so you have something to compare.
A kitchen scale is handy here. Write the amounts on a note by the brewer, along with the grinder setting if you use one. That gives you a starting point even on a distracted morning.
Change one thing
If the coffee tastes too heavy or too thin, resist changing the grind, dose and water all at once. Choose one variable and keep the others steady. Taste the result as it cools; very hot coffee can hide details that become obvious a few minutes later.
Grind size affects the way water moves through a filter. If the brew runs much faster or slower than usual, check that the grind and the filter are consistent. Also make sure the brewer is clean. Old coffee oils can muddy the flavour of a fresh batch.
Keep the good cup simple
Store the beans tightly closed, away from heat and bright light, and buy amounts you can reasonably use. Grind close to brewing when possible. These ordinary habits can matter more than an elaborate pouring pattern.
When a cup tastes right, keep the note. You can return to it after changing beans or cleaning the grinder. There is no obligation to find a new brewing method every weekend.
