Water Purifier Buying Guide: Ensuring Clean and Safe Drinking Water

Posted on: 11 March, 2024

Access to clean and safe drinking water is essential for maintaining good health and well-being. With the increasing concerns about water contamination, investing in a reliable water purifier has become a necessity. This buying guide will walk you through the key factors to consider when purchasing a water purifier, empowering you to safeguard the health of your loved ones.

Understanding Water Contaminants

Water contaminants can be of various types, including bacteria, viruses, chemicals, heavy metals, and sediments. Depending on your location and water source, the type and level of contaminants can vary. Before buying a water purifier, it's crucial to understand the specific contaminants present in your water supply. You can do this by conducting a water quality test or referring to local water quality reports.

Factors to Consider Before Buying - Key Features to Look For

1. Water Quality and Filtration Technology : The quality of your input water should determine the purification technology you need. Filtration methods like Reverse Osmosis (RO), Ultraviolet (UV) purification, and activated carbon are designed to target specific contaminants.

2. Water Flow Rate : Consider the rate at which the purifier can produce clean water. This is particularly important if you have a large household with high water consumption.

3. Storage Capacity : Purifiers with storage tanks can be convenient, ensuring a steady supply of purified water even during power outages.

4. Water Waste : RO purifiers can generate a significant amount of wastewater. Look for models with water-saving technology or consider a purifier with a different filtration method if water conservation is a concern.

5. Certificationss : Look for certifications from reputable organizations like NSF and WQA, which indicate that the purifier meets specific quality and safety standards.

Types of Water Purifiers

1. RO Purifiers : Ideal for areas with high TDS (Total Dissolved Solids), RO purifiers effectively remove dissolved impurities, heavy metals, and other contaminants.

2. UV Purifiers : UV technology kills bacteria, viruses, and other microorganisms by exposing water to ultraviolet light. However, it may not remove certain chemicals or heavy metals.

3. UF Purifiers : UF technology works by using a semi-permeable membrane to remove bacteria, viruses, and larger particles. It's effective against most microorganisms but not dissolved impurities.

4. Activated Carbon Filters : These filters are excellent for removing chlorine, odors, and organic compounds. They work best when combined with other filtration methods.

Installation and Maintenance

Consider the installation process and the space required for the purifier. Some purifiers might need professional installation, while others can be easily installed by the user.

Regular maintenance is essential for optimal performance. Check the replacement frequency of filters and other components, and ensure that the brand offers easy availability of replacement parts. Neglecting maintenance can lead to compromised purification efficiency and shortened product lifespan.

Additional Features

Some water purifiers come with additional features that enhance usability and convenience. These can include:

1. Filter Change Indicators : Notifies you when it's time to replace the filters, ensuring consistent purification.

2. TDS Display : Measures the Total Dissolved Solids in the water, giving you an idea of water quality.

3. Auto Shut-off : Turns off the purifier when the storage tank is full to prevent wastage.

Top 5 Recommendations

1. Aquasure RO+UV Water Purifier : A versatile option with combined RO and UV technology for comprehensive purification.

2. Kent UV Purifier : Known for its effective UV purification, suitable for areas with biological contamination risks.

3. Eureka Forbes UF Purifier : Provides a cost-effective solution for areas with moderate contamination levels.

4. Blue Star RO Purifier : Offers a multi-stage purification process and a TDS controller for balanced mineral content.

5. Havells Activated Carbon Purifier : A solid choice for improving water taste and odor through activated carbon filtration.


Investing in a water purifier is an investment in your family's health. By understanding the contaminants in your water, evaluating key features, and considering the type of purifier that suits your needs, you can make an informed decision. With this guide, you're now equipped to choose a water purifier that ensures the availability of clean and safe drinking water for years to come.

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