Smells
Also, they are efficient in removing terrible smells from your fridge by boiling them in a bowl and placing it in the fridge for a couple of minutes. This method is helpful for the smelly drain as well.
Do not forget to Use some dried grounds as an air freshener; you will notice that your drain smells fresh again!
Cheap soap
This might sound weird; old coffee grounds can work as soap. It gets rid of bad smells, which is helpful if you use onion or garlic, besides making your hands clean and soft.
Damaged wood
Use can use coffee grounds to replace gaps and fill holes in wooden stuff and furniture. Especially gaps in wooden furniture made with dark wood with some coffee grounds? You will see great use.
