The 8th International Congress and Exhibition of biological pools will welcome guests in Cologne from 28 to 30 October 2015, coinciding with the Aquanale trade fair. The German Society for natural bathing water is hosting the event together with the Cologne congress centre and, under the patronage of the International Organisation for natural bathing waters, offers a top-class, innovative programme. For further information please visit http://bit.ly/1Ha53zY.