Overview: A drop of water is taken to a laboratory in San Juan, Puerto Rico to determine its purity. The film communicates scientific health information, such as the need to boil drinking water.
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Release: Apr 13, 1949Runtime: 10 minutesQuality: HDIMDb: 0.00 / 10 by 0 usersPopularity: 0Budget: $0Revenue: $0Language: Español