<a href=showthread.php?s=&postid=9033021#post9033021 target=_blank>Originally posted</a> by AZDesertRat
You cannot pass water through a device which does not filter at the molecule level and magically get 0 TDS and "Pure" water. Even if it contains resins there are plenty of things that are not electrically conductive and therefore not captured by DI resin. Same goes for carbon, and for that matter for RO, it takes the combination of all three proceses to get pure water.