A vent is required to help keep the vaults dry and control flies and odours.
{{procontable | pro=
- Requires education and acceptance to be used correctly. <br> - Requires constant source of ash, sand or lime. <br> - Requires a place where urine and treated faeces can be used or discharged. <br> - Urine and faeces require manual removal.
}}
==Adequacy==
==Acknowledgements==
{{:Acknowledgements Sanitation}}
==Referencesand external links== * Elizabeth Tilley et.al (2008). [http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/publications_sesp/downloads_sesp/compendium_high.pdf Compendium of Sanitation Systems and Technologies] ([http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/publications_sesp/downloads_sesp/compendium_low.pdf low res version]). Department of Water and Sanitation in Development Countries ([http://www.sandec.ch/ Sandec]) at the Swiss Federal Institute of Aquatic Science and Technology (Eawag). (Provides a full overview of sanitation systems.)
* (-) Manual del Sanitario Ecologico Seco. Available: http://www.zoomzap.com (A very comprehensive manual on dry chamber construction including detailed instruction and material lists. In Spanish.)