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Shake it. Shake it again. Tap it on the ground. If you are happy with the results (read: if you aren’t covered with dead tree needles), ask the tree lot attendant to re-cut the trunk, about an inch or two. Get the tree home and immediately get it into a bucket of lukewarm water. You don’t need sugar, tree saver tablets, vodka (well, you might need vodka for yourself), just water. Before and after the tree is in the stand, keep the water level topped off. Check it several times a day. A freshly cut tree will need water sometimes twice a day.