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Past Conferences‎ > ‎2011‎ > ‎2011 FAQ‎ > ‎Water Treatment‎ > ‎

We are aware the play sand can be pre-washed and dried before the competition, but can it also be graded (i.e. sieve out the fines)?

posted Mar 14, 2011, 4:49 PM by Justin Beutel   [ updated Mar 14, 2011, 4:51 PM by Justin Beutel ]

No, the sand cannot be sieved prior to competition; this alters the item too much.


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