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[[File:Condensationpit.jpg|thumb|left|Drawing of Emergency Solar Still]]
[[File:Simple Still.png |thumb|
left|Simple Single-Effect Basin Still<ref>
Ettouney, H., & Rizzuti, L. (2007). SOLAR DESALINATION: A CHALLENGE FOR SUSTAINABLE FRESH WATER IN THE 21 ST CENTURY. Solar Desalination for the 21 st Century, 1-18.
Conventional solar stills rely solely on the sun to distill water, however their complexity could still reach that of active stills, if not other more intricate desalination methods. Passive stills, then, vary widely due to this one constraint and can be further organized into sub-classes. Some common types of passive solar stills include<ref name ="Fath"/>: