Protezione

Just changed out my fesser fluid for reverse osmisis water. The convenience is that its free, its in my house, and I know just how good of quality it is.


Reverse Osmosis water is first softened by a ion exchange water softener. The calcium, iron, sulfides, and all the other minerals are taken out of the water in exchange for sodium being put into it. the water is then run through a series of filters which removes the sodium, and any other solids on the water.


Total ppm (parts per million) of solids in the reverse osmosis water varies on how hard (how much solids) are in there in the first place, but my water sits at about 4 parts per million.

In comparison the most expensive, highest quality distilled water sits at 1 part per million. They also reject about 50% of the water they make to get that 1ppm.

As far as temps go, they are about 3*c less than the fesser fluid, though I did not do a complete flush, just drained and filled and drained and filled. There is definately still orange in my water, just not very much.



Just wanted to throw my little fun experiment on here. I will be pulling apart the loop in a few months to inspect, but I already am quite positive that there will be nothing at all in it!

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Quantum Reality

Reverse osmosis is deionized, whereas distilled is purified by means of evaporation and recondensation. The latter process, in principle, also separates out solids which are not dissolved in the water but have nonetheless travelled with it (i.e. sand, etc).

I don't think it makes that much of a difference to the casual water-cooler enthusiast though.

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Protezione

a Good reverse osmosis setup will have a very fine final filter, 5 microns is usually what the company I work for installs on some of our highest quality setups. I don't imagine that anything smaller than that would cause any sort of problem ever. You will get particles that size just from the things floating around in the air.

So as far as the solids that travel in the water too, id imagine it would turn out similar to distilled water as well. But as you said, unless I am liquid cooling a 50k dollar super computer and need absolute perfection, it shouldn't matter too much

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