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This technology was awarded a prize by [[SIMAVI]] and organisations such as SANDEC are promoting it in many developing countries. Solar disinfection is recommended by the World Health Oganization (WHO) as one viable option for drinking water treatment at household level.
{{procontable | border="1" cellpadding="5" cellspacing="0" align="center"|-! width="50%" style="background:#efefef;" | Advantages! stylepro="background:#ffdead;" | Disadvantages|-| valign="top" | Very cheap.<br> - Independent from energy sources other than sunlight.<br> - Treated water is protected from re-contamination in the bottles.<br> - The taste of treated water is fresh, not stale or otherwise altered.<br>| valigncon="top" | - Cannot be used on days with continuous rainfall.<br> - Cannot be used to treat very turbid water (>30 NTU). <br>- Bottles need to be replaced every 4-6 months.|}<br>}}
==Disinfection mechanism==
