4, and has become cleared of any impurities without including any added minerals or electrolytes. If you do not like that slippery, silky experience that some alkaline waters can have, you might like this one particular, that has a crisp, refreshing sense to it. Check out vinegar and baking soda. https://alkaline-anytime-flask33210.eedblog.com/11570497/rumored-buzz-on-best-ionized-alkaline-water-system