Lisa writes: << > > You could also just get a DI unit that exchanges cations such as Ca+2 and > Mg+2 with a hydrogen ion (H+) and anions (like nitrites and Cl-) with a > hydroxide ion (OH-). You end up replacing all the "bad" ions with, > essentially, the components of water (H20). This is what I have and it > works pretty well (I charge up the resins every few weeks or so using > hydrochloric acid (sold as muriatic acid for pools) or sodium hydroxide > (lye). > I know that companies like "Culligan" will set you up with a water softener > that replaces cations with sodium, but I have been told that these > companies can also set up a DI system that replaces with H+ and OH- (the > guy I'm married to has one of these to give him DI in his lab). May be > worth the initial investment for some people (I think maybe $300 to get > started and then paying for the replacement tanks every so often - > depending on your local hardness conditions). > I can find out more if anyone really cares ;). > Lisa >> >> Lisa- Yes, I for one would like a DI unit like that. If you have a source of info, it would save me hunting from scratch. Bob