![Amazon.com: 4 lbs or 1.8 kg Ground Walnut Shell Media 18-40 Grit - Fine Walnut Shells for Tumbling, Vibratory Or Blasting : Tools & Home Improvement Amazon.com: 4 lbs or 1.8 kg Ground Walnut Shell Media 18-40 Grit - Fine Walnut Shells for Tumbling, Vibratory Or Blasting : Tools & Home Improvement](https://m.media-amazon.com/images/I/711djhaSWKL.jpg)
Amazon.com: 4 lbs or 1.8 kg Ground Walnut Shell Media 18-40 Grit - Fine Walnut Shells for Tumbling, Vibratory Or Blasting : Tools & Home Improvement
![Has anyone ever tried sandblasting ground walnut shells as substrate before? I'm just curious since I've seen some people use the sand. : r/Aquariums Has anyone ever tried sandblasting ground walnut shells as substrate before? I'm just curious since I've seen some people use the sand. : r/Aquariums](https://preview.redd.it/8vhphfmwqn461.jpg?auto=webp&s=32e7767395a1c1a1b4c2b41717205e2b5e541730)
Has anyone ever tried sandblasting ground walnut shells as substrate before? I'm just curious since I've seen some people use the sand. : r/Aquariums
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Natural Crushed Walnut Shell Grit for Wood Blasting - China Walnut Shell, Crushed Walnut Shell | Made-in-China.com
![Premium Ground Walnut Shell Blast Media 20# Sand blasters High Grade for Polishing All Type Tumbler 1.8lb - Amazon.com Premium Ground Walnut Shell Blast Media 20# Sand blasters High Grade for Polishing All Type Tumbler 1.8lb - Amazon.com](https://m.media-amazon.com/images/I/812oR8Ody0L.jpg)