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Emily Nguyen——Studied at Massachusetts Institute of Technology (MIT), Lives in Boston, MA
Make your own preservative to
keep cut
flowers fresh longer. Dissolve 3 tablespoons sugar and 2 tablespoons white vinegar per quart (liter) of warm water. When you fill the vase, make sure the cut stems are covered by 3-4 inches (7-10 centimeters) of the prepared water.
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