Is distilled water the equivalent of RO?

[Armand9601]

I wanted to keep a few gallons as backup for evaporation in the event I cannot get to my LFS. I recall hearing awhile back that I could use store bought distilled water as it had the same or similar parameters as RO water.

I live in S. FL and want to have some on backup since we're in hurricane season.

 

[mcgyvr]

Yes you can certainly keep/use distilled water...
The process to make each is different but the end result is basically the same.. In fact distilled water is usually "more pure"..

 

[Sk8r]

It's as good as your company's reputation and practice. Test your dissolved solids (TDS) with a meter on every bucket you add. A problem isn't likely, but can happen. We had a problem in OKC some decades ago where a company selling distilled had it running in a copper collector, and some was getting through, even as fresh water. A TDS check is something you should do on ro/di you make and that also goes for water you've trusted somebody else to produce.

 

[Joe0813]

just buy a RO unit. they aren't that expensive. That way you know your water is good. ive seen LFS with ro water that had really really high TDS.

 

[Whiskylen]

I get rodi water from Whole Foods. A rodi unit in the long run is cheaper but I live in a small apartment and didn't want to deal with the hassle since my tank is only 8g


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