Based on the principles discussed here
the purity concerns expressed elsewhere are often moot when one eats the highest quality locally grown food one can find [test with a refractometer!] and supports this diet with adequate physical activity, good mental emotional spiritual hygiene and the alkalising drink/baths.
Water purification equipment is expensive, and only as good as it last maintenance. The best insurance is to have enough of the "right stuff" in your system so that you will selectively avoid absorbing toxins. This has been discussed here a few times in the last month or two, and there are lots more details in those posts if you are up to studying them.
Before finding this forum, I decided to use the water machines in front of the grocery stores, and let someone else do the upkeep. Even when I was very severely chemically sensitive, this water worked just fine. I could not find any difference in my health between it and the finest purest directly drawn well water i could find.
Perhaps it did not taste quite as good, but it also did not take half a day to collect it or a fortune to install and maintain it, either!
Let's see what others here say, but I would nix the high tec home equipment!
Keep seeking, applying, sharing accurate knowledge in order to
Keep seeking abundant life and joy!
NEVER give up!!!!
Di