Una gota de agua
Movie| Title | Una gota de agua |
| User score | 0 |
| Release date | Apr 13, 1949 |
| Genre | Documentary |
| Director | Jack Delano |
| Production country | Puerto Rico |
| Production companies | Comisión de Parques y Recreos Públicos de Puerto Rico |
| Run time | 10 min. |
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.
