Water Purifier Buying Guide and Tips

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In the crowd of tons of available option in the market, choosing a good water purifier can be difficult. Here is the handful information on how to buy the perfect water purifier.


Water contamination is a serious problem as it can lead to several health problems. Drinking contaminated water is not only dangerous for children, but it can cause many problems for adults as well. According to the Environmental Protection Agency, water contamination can occur either naturally or as a result of human activity. Consequently, it is necessary to install the best RO water purifiers at home to ensure that you drink healthily and safely.

Pureit provides some of the best water purifiers in India that remove dissolved impurities and make water completely safe for consumption. However, there are certain important factors that you need to know before buying a water purifier. In this blog, we discuss 5 important factors that you need to consider when looking for the best RO water purifier.

What to consider before buying a water purifier

Below are the points to consider before purchasing an RO water purifier:

You need to test the water quality

One factor we tend to ignore is testing the water quality before choosing a purifier. The universal formula does not apply to water purifiers, so it is essential to check the water quality before making a final decision. You can get the help of an expert who will test the water quality and make a final decision based on the types of contaminants present in the water.

As a primary step, you can also measure the water quality at home. Here are some of the steps you can take to measure water quality at home:

Smell the water:

Use your sense of smell to judge water quality. If you find a bleach smell in your water, then it is because of the chlorine that your local water treatment plant is adding to your water. If you find the smell of rotten eggs, it means the multiplication of bacteria in the water. A musty or earthy smell indicates the decomposition of organic matter in the water.

Check the taste:

Check the quality of the water with your taste buds. If the water has a bad taste or a metallic taste, then it has low Ph levels or an excess of minerals. Excess chlorine in the water results in a bleach-like taste.

Presence of particles: See if the water contains any visible fine particles. Generally, small particles of rust can be witnessed in water due to rust in pipes and faucets. In addition, if the water appears cloudy, it indicates high calcium and magnesium content in the water.

Check the colour:

If the colour of the water is brown or pale yellow, it indicates an immediate need for a water purifier. Brown, murkier-coloured water can again be the result of rusty pipes and faucets.

Corrosion build-up:

Check your pipes and faucets for corrosion build-up. You may see blue, white or rust-coloured deposits in the pipes, which indicates the presence of foreign particles in the water.

Water purifiers remove specific contaminants

Water purifiers use a combination of technologies to remove contaminants from water. However, this does not mean that all water purifiers can remove different types of impurities present in water. Before buying a water purifier, test the water quality in your area to know which water purifier will be the best for you. Depending on the water quality in your area, you may decide to go for RO or UV water purifiers. In addition, you also need to check if the water purifier is NSF certified.

These are the general categories of water pollution:

Biological: The presence of microbes leads to biological contamination. For example, the presence of bacteria, viruses, protozoa and parasites.
Chemical Contamination: Chemical contamination is generally man-made. Such as the presence of bleach, salts, pesticides and the like.
Physical: Physical contaminants are mainly sediment or organic material that is suspended in water. These impurities affect the physical appearance of the water.
Also Read: Remove Contaminants From Water Using RO UV UF Purification Method

You must change the filters at regular intervals

All water purifiers work the same way. The water passes through a removable cartridge that is filled with various filter media such as activated carbon. Since these filters do all the hard work, they get clogged after a while. When the filters are clogged, the water purifier will not clean the water efficiently. To ensure that you drink safe water, follow the filter replacement instructions provided by the manufacturer. Water purifiers from Pureit come with an alarm that alerts you when the filter needs to be changed.

Consider the cost of replacing the filter

Make sure you consider the cost of replacing the filters before making your final decision. The price may vary depending on the type and model of water purifier you are using. To avoid possible confusion and inconvenience in the future, get clear information about the cost of repairing filters. Another smart move you can make is opting for an AMC, which will help you reduce your repair and replacement costs.

Consider the amount of water your family drinks

Don’t forget to consider family size when looking for a water purifier. This is because water purifiers have a storage capacity that ensures you get purified water even without electricity. So before making your final decision, factor in the amount of water your family uses and also consider the water used for cooking. If you have a large family, it is advisable to go for a tabletop or under-counter water purifier.

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