- Bake clean shells at 200°F (95°C) for 20–30 minutes until crisp. Cool, then grind.
5 Smart Uses for Boiled Eggshells
1. Natural Calcium Supplement for Gardens
- How: Grind dried shells into a fine powder. Sprinkle around tomato, pepper, or squash plants.
- Why: Prevents blossom end rot (caused by calcium deficiency).
- Tip: Add to compost pile for slow-release nutrients.
2. Homemade Calcium Powder for Smoothies or Baking
- How: Grind sterilized shells into a fine, flour-like powder (use a coffee grinder dedicated to non-food items, or mortar & pestle).
- Use: Add ¼ tsp to smoothies, oatmeal, or baked goods for a calcium boost.
Caution: Consult your doctor before consuming. Not a substitute for medical supplements.
3. Gentle Scouring Scrub for Pots & Stains
- How: Mix crushed boiled shells with a little soapy water. Use to scrub baked-on food from pans or stained coffee mugs.
- Why: Shells are mildly abrasive but won’t scratch glass or ceramic.
- Bonus: Biodegradable alternative to plastic-based scrubs!
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