Result: Crushed eggshells add calcium to the soil, helping prevent blossom end rot in tomatoes and peppers. They decompose slowly, releasing nutrients over time.
9. Fish Tank Water
Result: A natural fertilizer filled with beneficial nutrients. Fish tank water promotes healthy growth without the use of harsh chemicals.
10. Soda or Soft Drinks
Result: Harmful to plants due to high sugar and carbonation content. These can disrupt soil balance and encourage mold or rot.
