In the cold season, frosty temperatures during transportation can affect your water samples. To ensure that your samples reach us safely and that you receive your analysis results on time, please take note of this important information:
Water expands when it freezes. If the tubes are filled to the brim, the cap may leak, which could lead to loss of the sample. Therefore, leave about 1 cm of space between the water surface and the cap during the winter months, as shown in the picture.