How do you dispose your used ground coffee? Do you throw them in the trash or out the window? As it turns out, the coffee experience doesn’t have to end with the last sip of your mug. Used coffee grounds can be put into good use even after being brewed into that cup of java you crave every morning. Our four favourite uses of used coffee grounds are simple, practical, and rewarding. Check them out and put your used grounds back to work! 1. Fertilize Your Garden Ground coffee i