How much for a quart of distilled water

Premixed anti-freeze 50/50 12.99,gal Strait anti-freeze 11.99 gal so water is 3.25 a quart. I think I'm in the wrong line of work. anti-freeze is 3.00 a quart.Must be really pure water!
 

Distilled water is much cheaper at the market. Too many minerals in the local tap water or my well, to use in a radiator. I even use it in a hudson sprayer for a spot-free rinse after washing my motorcycle.
 
Yes, its a ripoff. Most places have distilled water for less than $1.00 per gallon. It probably is deionized, but well done.

The chem department at a nearby university tested some from a W****world and it was as good or better than triple distilled water so they get a lot of theirs there as it is cheaper timewise than their water distillation/deionization system.
 
The point is it should not matter whether it is distilled or deionized. It is good enough for diluting antifreeze. The moment you pour it into the radiator it is going to be mixed with all kinds of metal ions whether it is iron, copper, lead and aluminum and probably magnesium. It is still a lot better than tap water.
 
Since the editing function still does not work I am posting a third response.

I know this is OT and beyond what the op meant but I need to qualify and quantify distilled water. There are all kinds of distilled water/and purification techniques depending on its use. In some ion detection research even highly purified water is not sufficiently pure for their work. But for 99% of normal applications the gallon polyethylene bottles of distilled water (from major vendors) are sufficiently purified.
 
Grocery stores sell distilled water for between $0.75 to $1.25 per gallon. I find it is worth my time to mix my own antifreeze.
 
13 a gallon? Wow that's nuts! I use my ro/di system for everything. At about 200.00 for the unit, it'd pay for itself after about 20 gallons!
 
You can buy it for less than a $1.00 a gallon at our Wally World. Also, 2 or 3 of our car washes sell it out of a vending machine for like a $1.00 a gallon but you have to have your own container.
 
Aww, from what little I know...

Distilled is just that, water heated to turn to steam and then condensed. Leaves behind a lot of non-water impurities. There may exist an issue of too much purity, in fact sometimes in the right conditions, the distilled can leach some of the metals within the coolant system.

De-mineralized is just that, ran through a resin bed and rid of most minerals. It may be better for coolant system mixes.

This opinion is worth what you paid for it,

D.
 
Yeah, a lot of people don't know how to prepare a 50/50 mix, their math skills are not overly enhanced. I did buy a gallon of the premix when I was out of town and my old car got hot and blew out half a gallon. Hated paying the price but in that case the convenience was worth something. We have lake water and I use tap water in my engines.
 

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