Walnut shells are a versatile resource available through various channels depending on whether you need them for crafting, industrial sandblasting, or gardening.
A great source for organic walnut shell halves used in ornaments and natural art supplies.
Ideal for finding ground walnut shell fillers for pincushions and crushed walnut shell bedding for reptiles.
Often lists unique natural handmade ornaments and bulk lots of shell pieces.
If you need walnut shell "grit" for polishing metal or water filtration, specialized industrial suppliers offer bags ranging from 10 lbs to 1-ton "jumbo" bags. Walnut Shell Blasting Media Grit - Kramer Industries