Quote:
Originally Posted by Z K
WTF? you need this in San Francisco city? SF has one of the cleanest and non-hard water supplies in the US!
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Originally purchased for a marine reef aquarium, but I also have it piped to a storage tank to wash the car. SF water is clean, but it still leaves water spots.
TDS meter on the tap reads about 20-25ppm, whereas with this unit you get 0ppm.