Not far away, across the border in Germany, the same method is in use in the public toilets of the small town of Düren. A company is using a mixture of bacteria to clean the toilets. The odourless bacteria occupy the places normally colonised by the bugs that create that all-too-familiar public-toilet smell. The idea of using bacteria to clean public conveniences is a brilliant one. Unfortunately, the company refuses to reveal the recipe for its cocktail of bacterial cleaners, so a scientific evaluation is impossible. However, the town of Düren seems to be faring very well with this
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