As part of this year’s Hanse Sail 2025, five dry toilet cabins were installed at the new Design Market Area — a fresh addition to the event, located in the pedestrian zone in Rostock’s city center. The cabins were delivered and installed by finizio. Additionally they were maintained by one person from finizio during the festival, ensuring cleanliness and accessibility throughout the event.
Around 20 visitors were interviewed during the event, to measure the acceptance of the dry toilets. Participants already familiar with dry toilets showed a clear willingness to use them. Among those without prior experience, opinions were split about 50/50. However, when asked—using a dot voting method—97% of respondents said they would use the toilets again.
2024
February
First contact
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2024
June
Transport and installation
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2024
July
Maintenance on the festival
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2024
August
Results
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Impacts
What has been achieved
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18.941 l
Water saved
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120 kg
CO₂ was saved
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431 kg
Hummus was created
Learnings
Learnings and next steps for the upcoming year
Better communication necessary
The educational aspect needs improvement. Many visitors did not notice or read the information materials provided on-site.
While the technology itself was well received, communicating the why and how behind it remains essential to overcoming hesitation and misconceptions.
Benefits increase acceptance
The acceptance increased when people understood the environmental and practical benefits, such as reduced water use and simple operation.
Curiosity for Humus
The concept of turning human waste into humus also sparked curiosity, even though this compost is not yet legally approved and is currently being used only on test fields.
Stefanie Müller
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contact@hanse-sail.com