Fake Sand. They make this to stuff down oil wells. Makes the oil come out.

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[–]CleverFoolOfEarth 5 insightful - 4 fun5 insightful - 3 fun6 insightful - 4 fun -  (1 child)

Fake sand? Why can't they just use real sand?

[–]skank 6 insightful - 5 fun6 insightful - 4 fun7 insightful - 5 fun -  (0 children)

because you cant charge $200/gram for sand.