I know that we had bought some of the small bottles of water at one point and I did a TDS test on it and it came out to be very low, somewhere around 2 to 3. I was actually surprised that it was that low when I tested it. At the time we were living in Bandera and I'd get my water from one of the machines outside our local Safeway. It's TDS ran in the same area and I used it until I bought my own unit. If you test water coming out of the RO unit and then again after one of the post drinking water filters the TDS goes from near 0 to around 14. I believe those cartridges are nothing more than some sort of filter that puts stuff back into the water that you just cleaned out, I'd just like to know what it is.Originally Posted by bstreep
I have my system set up to put straight RO water into our holding tank under the sink. From there I have a T in the line that runs into the garage and through a rechargable DI cartridge prior to my Kent float valve auto top off. Seams to work for me fine and haven't had any problems with it yet that way. You can definately tell the difference when making tea with RO water as opposed to regular tap also, much clearer.
I know what you are talking about though Chris with the dry taste that water leaves in your mouth. Some bottled waters do the same thing with me. Maybe too many years of drinking water straight from the garden hose.
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