Purer ٠ Fresher ٠ Safer ٠ Tastier ٠ Water
Water has been described as the universal solvent. In other words, almost every substance or chemical will dissolve to some extent in water. This even includes the gases in air.
Water that is supplied to us as drinking water despite many steps of purification still contains many traces of dissolved substances. It also will have chemicals deliberately added during the purification and distribution process.
Microbes are ubiquitous in the environment. They are present in the water at source and are found in the distribution systems right up to and including your tap, despite purification and disinfection processes. They also get into the water you place in a bottle or glass. They may come from the air, from the bottle or glass or from yourself when handling or drinking.
The water now contains a range of dissolved substances and a selection of very diverse microbes which can use some of the dissolved substances as food. There is little residual disinfection left in the water by the time it reaches the tap and if further passed through a filter jug, there is no further protection.
Within a short time, the microbes can grow, multiply and secrete a range of waste products and a protective slime. This usually attaches to surfaces of the container and results in a stale taste and sometimes detectable odour. This form of microbial growth is usually referred to as a ‘biofilm’ and can be seen in water storage tanks, in water distribution pipes and on damp surfaces.
Because microbes are extremely small, they are not readily visible to the naked eye. We can only begin to see a slight opacity in water when there are more than 100 million microbes present in each millilitre of the water. This is many more than it takes to cause taints or odours.