Water has changed the test less hard

I can’t put the Aquanity piece around my pipe under my kitchen sink. The ring is too big. I put it on a bolt around the pipe but the water still has a metal taste. I even have one around the pipe where water comes into the house and still experience the metal taste.

Purchased the Aquanity Aqualizer and fitted it into two places. One at the entrance after the water coming from the water meter and another one at the kitchen pipe. I am not sure how to test the water. But I feel that the water is tastier.

Our experience needs more time.
Initial taste was good. But waiting for more

I have the impression the Aqualizer is working good, as expected...