Our good health depends to a large extent on the water we drink. Simply put, no matter how carefully we watch our diet and take care of our bodies, if the water we consume every day contains harmful substances such as chlorine and heavy metals, the burden on our bodies is enormous.
The good news is that the problem of consuming unsafe water can be easily solved by installing a water filter, which is the most economical and sustainable way to drink crystal clear water without using bottled water, which is expensive and burdens the environment with microplastics.plastics.
But how do you choose the right water filter for you? We spoke to the people behind Rainbow Waters, the best-known brand in Greece and Europe for clean water solutions, and explained to us, based on their experience and expertise, how everyone can choose the best water filter for their needs and the conditions in the area where they live.
Countertop water filters: The simplest way

These are filters that are placed next to the existing tap in the kitchen and connect to the tap spout quickly and easily.
Although they are the simplest solution, they have an impressive ability to filter water, retaining chlorine, heavy metals, pesticides, sediments, and microbes by 99.9%.
The main advantages of countertop water filter are:
- It requires no installation and no mess in the kitchen.
- It can be used on all taps, even wall-mounted ones.
- No electricity is required for water filtration.
- It allows you to switch between filtered and unfiltered water.
- It is the most economical solution.
This is the best option if you live in a new house or in an urban area where the water is not heavily polluted. But even if the water is more contaminated, the countertop water filter is very efficient at filtering, it may simply reduce the flow of water as it exits the additional tap.
Under-sink water filters: The ideal combination of quality and price

Under-sink water filters are easily installed under the sink, directly on the water supply, where they are connected to the tap, without the need to drill holes in the kitchen countertop to install an additional tap. They do not require electricity and take up minimal space in the kitchen cabinet.
A key advantage of under-counter water filters is that they have high filtering capacity and normal flow, while offering protection from even very small contaminants.
So, if your goal is to enjoy completely clean water without any reduction in flow and without the filter taking up any space on the countertop, an under-sink filter is the best solution.
After all, Quick, easy, and totally free to install by the Rainbow Waters technician.
Reverse osmosis systems: The essential solution for contaminated water

Reverse osmosis is the most suitable solution for water contaminated with salts, heavy metals, and bacteria, such as in rural areas or old buildings with worn pipes.
This system has a central unit that is installed under the kitchen counter, making it the most powerful solution for filtering all types of contaminants, even in polluted water.
The main advantages of the system filter reverse osmosis Rainbow Waters' mission is:
- Innovative filtration system
- Easy and safe installation
- Five-stage filtration with just one filter.
- Provides 2.5 liters of clean water in 10 minutes!
So, if you live in an area where the water is barely drinkable, you no longer need to buy bottled water, but you can invest in a highly efficient filtration system that guarantees the safety of the water you drink.
Learn more about certified water filters of Rainbow Waters which stand out for their hygienic design, efficiency, and maximum safety, so you can enjoy 100% pure water with all its valuable ingredients but without toxic substances!











