I ran fairly good for almost 3 months on tap water too. But, my personality is the kind that I don't like knowing why levels are outside of "normal". Call it being anal if you want.Originally Posted by jpond83
That's one of the main reasons I decided on RO/DI was to limit the amount of random chemicals in my tank.
Look at the link from NBU water testing http://www.nbutexas.com/PDF_files/NB...0for%20web.pdf
Chloride 17 PPM
Calcium 60.2 PPM (The testing I did showed 80, although I'd trust their numbers more as they use a much better test and better procedures)
Bicarbonates 167 PPM
Copper .008 PPM
Nickel .002 PPM
Sulfates 23 PPM
Chloramine 2.6 PPM
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