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Sand Science: Scientists have cracked the code for building the tallest possible sandcastle: Use very little water... So exactly how much water do you need to make a perfect sandcastle? Traditional estimates put the ratio at one pail of water for every eight pails of sand (or 12.5 percent water). But new research revises the amount of liquid down to just 1 percent.
sandcastles - just tip your hand flat and you could appear to hold fabulous sandcastles during the contests each year. Cjj