Should You Use Distilled Or Demineralised Water For Coolant?

• Make Sure You Check Yo... My opinion on the age old question, distilled or demineralised water for coolant mixing.

[@comedy12k_46]

I think one should mix distilled water with coolant

[@amateurdesubaru]

1 cdn gallon ( 4.4 L ) demineralized water at 1.25 $ cdn no tax : at drugstore or grocery store

[@87hotsupe]

I believe you got it wrong. Distilled water also has no minerals and it’s produced by capturing water vapors from boiling water leaving a pure water

[@ScottysEncountersExtras]

You are correct, that is the process of producing distilled water. Although distilled water can still rust the radiator because, the distilled water now has no “ions”. So now the water becomes ion hungry, as in it can strip the electrons from the internal metals in the cooling system.
The water wants to re chemical itself, so now the distilled water can become acidic.
It’s best to use demineralised water or soft water.
Thanks for watching.

[@judemorrison2701]

Or wouldn't homebrand $2 from the shops do the same

[@ScottysEncountersExtras]

@@judemorrison2701 no that’s distilled water.