Choosing Coffee Beans For Your Coffee Machine The beans you use in your machine will determine the quality of your coffee. Select beans that have been freshly roasted and have balanced flavors. The size of the grind is crucial as well; smaller grounds draw more water. Try different grind sizes https://telegra.ph/How-To-Create-An-Awesome-Instagram-Video-About-Bean-To-Cup-Coffee-Machine-Commercial-08-27