Sand does not alloy bushy-tailed in your Gauze container.
Sand is capital left on the beach or in a sand box. Provided it makes its bag to your Car's Gauze cistern you may be in for a Migraine and expense.
History
The concepts of putting something other than Gauze in the Gauze container allegedly originated in the 1996 film, "Kingpin," where sugar was placed in a clown's gas tank.
Potential Damage
If the tank was filled up with sand to the brim, it could damage the engine. Snopes.com notes that most cars contain a "sock" endure of the tank's pickup tube that prevents anything that is not liquid from entering. The car's fuel filter should collect any remaining sand from entering the engine.
A locking gas cap might be a good investment. Speedconcepts.net offers several varieties for different vehicles in the $30 to $40 range.
