Though some people swear that throwing in such extras as aspirin, soda water, bleach, salt, sugar, or Karo syrup keeps trees fresher longer, the experts say plain water, and plenty of it, is best.

虽然有人信誓旦旦的说，加一些阿司匹林、苏打水、漂白粉、盐、糖或者果汁等乱七八糟的东西绝对能让树保持长时间的新鲜；但专家说了，足量的纯净的水，才是最好的。

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Treating water with chlorine tablets, iodine tablets, or liquid bleach will not kill many parasitic organisms. Boiling is the best way to kill these organisms.

如果你使用氯化物片(消毒片)或碘片处理水，要依照该片剂的说明书。

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