>>Also the way I tested my mineral water is by adding Lugol's to to it
That's clever!
>>Dunno, does you bottled water have Chloramine in it?
Vöslauer is said to be pure spring water but who knows...
My thoughts were, -that when you carbonate the water yourself, a lot more CO2 gets into contact with the salt, creating more negative ions then if you used bottled soda water!?