Food Waste recycling
How to Recycle Eggshells
Calcium-rich eggshells that add valuable minerals to compost and can benefit garden soil when properly processed.
RecyclableNatural source of calcium worth $15-25 per pound as supplement; free soil amendmentUpdated Jun 2026
Quick answer
Yes, eggshells are compostable and add calcium to soil. Rinse and crush them, then add them to a compost pile or work them straight into garden beds; crushing helps them break down faster, and they also help deter slugs around plants.
- Recyclable
- Yes
- Typical value
- Natural source of calcium worth $15-25 per pound as supplement; free soil amendment
How to Prepare
- 1Rinse eggshells to remove raw egg residue
- 2Crush or grind shells into small pieces for faster decomposition
- 3Allow shells to dry before adding to compost (optional)
