I been drinking ZeroWater for over a year now. I too was worried about it removing minerals but based on my research and speaking to my doctor, there’s barely any minerals in tap water. Most of the minerals your body needs actually come from the foods you eat. Take a look at the official published analysis of Toronto’s tap water from the City of Toronto.shwab wrote: ↑ There are many studies on the adverse health effects of drinking demineralized water a long period of time. Humans have been drinking 'mineralized' water since the dawn of time, and has some key essential minerals that you would miss (magnesium, calcium) not to mention fluoridation that is scientifically proven to prevent dental caries / tooth decay.
95% of the tap water in Canada is perfectly fine to drink straight out of the tap.
For example, in 1L of Toronto’s tap water, the calcium content is 36mg and magnesium content is 9.1mg. Compare that to the recommended daily intake for calcium which is around 1000mg and for magnesium is around 400mg.