9. Cute Home Decor Pieces
Use the shells to create:
Flower decorations
Mosaic art
Picture frame borders
Handmade ornaments
Candle holders
Their natural look works beautifully in DIY craft projects.
10. Natural Water Filter Layer
Crushed pistachio shells can be used as a pre-filter layer in household plant water filters or greywater systems, helping trap debris and impurities.
How to Make Pistachio Shell Powder (Very Useful)
Many homemade uses become even more effective when the shells are turned into powder.
Steps:
Bake the shells for 10 minutes at low heat to dry them completely.
