Is it reliable to use distilled water or double distilled water at the place of deionized water?

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Mushtaq Ahmad

Deionization does not remove molecular species (e.g., sugar) or uncharged organic particles (most bacteria, viruses).

https://www.thoughtco.com/distilled-versus-deionized-water-609435

detail about their substitution are discussed in detail;

Thomas Grützner

Double distilled water seems to be the "cleaner" option since only pure water is received from the distillation process and all (!!) high-boiling compounds, not only the charged ones, remain in the bottoms of the still.

Ajeet Singh

Thanks sir