800 water plant to solve the algae problem in the most Northern port of the state of Hesse. You have planted plants such as reeds and cattails, because this is like a “biological wastewater treatment plant of the nutrients out of the water,” said Marcus Dittrich, mayor (independent) in Bad Karl port on Wednesday. The 6.5 million Euro reactivated historical port basin was only a few weeks after its opening a year ago, with an algal carpet covered. The planting costs 30,000 Euro and was financed from the nature conservation resources of the state of Hesse.

Bad karlshafen by Heike Zimmermann-Timm, an expert has been Supported for inland waters at the Goethe University in Frankfurt. You and a student took water samples to determine the cause of the algae: “We found out very quickly that the water in the harbour, a high nutrient content, the increase in addition, if the Diemel flood.” The river is fed via a channel to the basin, and then takes fertilizer from the fields. The researchers have developed with the city, the idea is to use aquatic plants as a natural sewage treatment plant. “You can’t buy that kind of stuff from the rod, each body of water is an individual,” explains Zimmermann-Timm.

According to Dittrich, the pool should the Huguenots be flooded in the center of the Baroque town now and again. “But not a tidal wave, but we can slowly clean the water so the plants will not be washed away.” Because of the Work suspended the water sports season to begin, then: “We hope that we can start next week, in the short term.”