More home esters in their summer cottages this special summer which can tear down the smaller and slightly easier sewage treatment plants.

- It may be a good idea to let the sewerage plant in the summer house become the priority renovation object of the year, says Inga Herrmann at Luleå University of Technology, who is researching precisely the small sewers.

In the clip you hear how you can make your sewer in the summer cottage more economical and environmentally friendly.