I have had my pitcher about a month and I am drinking more water. The chlorine taste is gone. At first my tester wouldn't read 000. But then I realized the filter was leaking around the top so I screwed it in again and then measured and then it read 000. And it was easy to get it screwed in right the second time. I wondered if the pitcher would be too heavy for me. I am not very strong. But it is fine.If you can handle a gallon of milk you can handle this.  Again I love this pitcher. If you can't afford one of the  reverse osmosis machines but you are concerned about water quality this is the way to go.