- Clean your hands. Rub a scoop of grounds between palms as an exfoliant to remove dead skin and help eliminate smells from foods like fish and garlic.
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- Grow blue hydrangeas. Work grounds into the soil at the base of mophead hydrangeas to increase the acidity level. This helps the shrubs absorb aluminum, which you can add to the soil to keep the flowers a vibrant blue.
- Repel insects. Mound grounds into a ring to create a protective border around plants that will ward off ants and slugs.
- Clean dishes. Place a few teaspoons of grounds on a thin cleaning rag and use to scour away grease and grime. Finish with a thorough rinsing.