A method for adjusting settings in a water recirculating device is provided. The water recirculating device comprises an outlet configured to output treated water, a water collecting arrangement configured to collect used water, a water treatment arrangement configured to receive used water from the water collecting arrangement and output the treated water, wherein said water treatment arrangement is further configured to hold a replaceable water treatment device, an external water input device configured to input external water to said recirculating device, a circulation pump configured to provide a flow in said water recycling device, and a data processing device configured to control said water recycling device. The method comprises retrieving information associated to said replaceable water treatment device, determining identification data for said replaceable water treatment device by processing said information, retrieving settings data connected to said identification data, and adjusting said water recirculating device according to said settings data.