![20220903152353_img_0885_small_2](https://www.solarico.eu/wp-content/uploads/2022/09/20220903152353_img_0885_small_2-thegem-blog-default.jpg)
Hygienic hot water production was one of the essential requirements we followed when designing our UniQube hot water storage tanks. The implemented on-demand production of hot water is limiting the proliferation of Legionella bacteria. Even though, for 100% Legionella-free hot water it is important to set the heating controller to heat up the water several times a day according to this graph