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Tiger Worm Toilets contain composting worms inside the pit that digest faeces in-situ, replacing the build up of raw sludge with vermicompost. This removes the need for traditional desludging. To date, more than 900 Tiger Worm Toilets have been built and trialled across four countries by Oxfam in a range of settings including urban, peri-urban and camps. They have been shown to work in both household and shared communal camp settings. This manual covers the key considerations, cost benefits, program steps, understanding of existing behaviours, material development, design factors, operations, monitoring, and other elements required for succesful implementation of Tiger Worm Toilets.

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