If you do a little research about water purification, it will make you easier to shop for effective water cleaners. There are a number of water purifiers on the market. Some are designed to "match the decoration". But what really matters is what the system does, not the appearance of your countertop.
Water purification is a complicated process. But, no need to worry, you only need to learn where to find information. You don't need to learn how to build your own "home-made" water purifier. It won't really work. You can check out portable water purifier via online sources.
Most of the manufacturing water cleaners are not regulated in most countries. That's why you have some very little products. They can be advertised as a water purification system, but don't buy hype.
Now, the lucky ones are that in some states, water purifier producers must provide certification and product performance data, along with their "sales". This is an independent evaluation that tells you what can really do water cleansers.
So, wherever you live, if the water purification company does business in a state where they are needed, their water purifier will have product performance data. Because most leading companies sell their products throughout the country (and throughout the world, thanks to the internet) most of them have product performance data. This is what you will find.