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Join Date: Jul 2006
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That is a good question.
It is likely that distilled water is probably more "pure" water than RO, but by the simple process of a well running RO, I can't help but wonder if it would be fine too?
To te best of my knowledge...
In Cape Coral, much of their water is made from RO (I think they use brackish water/sea water). After they are finished, the water coming out is so pure that they mix back in 15% (I believe it is 15%) of the mineral wash they just took out. This gives the water a better taste (or a taste at all) and slows down erosion (pure RO has no dissolved minerals and thus has not reached any saturation point).
The question is how pure your RO water is?
In labs, we would always use distilled water... but I wonder if that is only because of the availability and cost. My guess is still that distilled is more pure (by the nature of how it is made), but RO would be a close second.
I would say yes... you could. But unless you used a GC or HPLC to measure the TDS and contaminants, you could not be sure. Still, at .60-$1 gallon, is it worth it??
You have to decide that.