De Ionized Water is not distilled water, and may have chemical residue, De Ionized Water is for car batteries and elecric irons, and is not for drinking, and is mainly sold in car spare shops and motoring departments of supermarkets. H2O2 (Hydrogen-Peroxid) 3% dilution can be used safely as an inhalent using an atomizer but please read the book The one minute cure, this can be googled. the one minute cure pdf. the bible for first time users of Hydrogen Peroxide Food gade.