I liked everything, ppm 013-020 after the filter, before the filter 160-180. I needed water with a minimum content of impurities and, accordingly, ppm, since I have chronic urolithiasis, according to the device, everything suits and then we'll wait and see. Got pros: Easy to install, literally if you have the right tool for no more than an hour, even if you have never held a wrench before in your life. Different cons: the stand for the keg is somehow not very stable, as if the keg is even better without it, but this is generally a trifle
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