Detailed Buying Guide For RO, UV, and UF Water Purifiers for Indian Homes
India is a land of vast contrasts and our water supply is the same with the varying water quality—borewell, municipal, or tanker—selecting the right water purifier technology can be confusing. This guide explains how RO, UV, and UF water purifiers work and which is best suited for your home. Check your type of water supply's and TDS (Total Dissolved Solids) level to make an informed choice for Water Purifier, simple TDS meter is a handy tool for that.
"TDS 500 and above RO is essential for TDS less than 500 UV and UF Water FIlters also work"
What is RO Water Purifier and they needed in India?
RO (Reverse Osmosis) purifiers use a membrane to remove dissolved salts, heavy metals like arsenic and lead, pesticides, and chemicals from water. They are recommended for water sources with high TDS that pose health risks. Many modern RO water purifiers come equipped with RO mineral cartridges that restore essential minerals, improving taste and health benefits. Kent RO, Pureit, Aquaguard and very well known brand of RO system.
Advantages of RO Water Purifier
- Effective in removing dissolved salts and impurities
- RO Purifier is must for areas with hard water supply
- Removes harmful chemicals like arsenic and lead
- Enhances water taste with mineralizers
Limitations of RO Water Purifier
- Requires electricity to function
- Wastes some water during the purification process
- Periodic membrane maintenance is necessary
What are UV Purification Water Filters and they enough for safe drinking water?
UV (Ultraviolet) water purifiers disinfect water by using ultraviolet light to kill bacteria, viruses, and pathogens. They are ideal for low-TDS water supplies primarily contaminated with microbes.
Advantages of UV Purification Water Filters
- Kills 99.9% of microbes without altering the natural taste of water
- No water wastage during the purification process
- Low maintenance costs
Limitations of UV Purification Water Filters
- Requires clear water for effective disinfection
- Does not remove dissolved salts or sediments from water
Is UF Water Purifier suited for Indian Water Supply?
UF (Ultrafiltration) purifiers filter suspended particles, cysts, and bacteria using a porous membrane. Unlike RO, UF does not remove dissolved salts or chemicals, making it suitable for water with low to moderate TDS levels.
Advantages of UF Water Purifier
- Removes sediments and bacteria without electricity
- Retains natural minerals in the water
- Low maintenance costs
Limitations of UF Water Purifier
- Ineffective against dissolved impurities or viruses
- Not ideal for high-TDS water sources
| Feature | RO | UV | UF |
|---|---|---|---|
| Removes Dissolved Salts | Yes | No | No |
| Removes Heavy Metals | Yes | No | No |
| Removes Microorganisms | Yes (with UV combination) | Yes | Yes (larger bacteria only) |
| Removes Suspended Particles | Yes | No | Yes |
| Water Wastage | Yes (30-50%) | No | No |
| Electricity Requirement | Yes | Yes | No |
| Mineral Retention | No (without mineralizers) | Yes | Yes |
| Maintenance Complexity | Moderate to High | Low | Low |
| Suitable for High TDS | Yes | No | No |
| Suitable for Low TDS | No | Yes | Yes |
Additional Factors to Consider when Buying a Water Purifier
- Storage Capacity: Choose a model that suits your household size and usage needs.
- Filter Replacement & Maintenance: Check the filter life, replacement cost, and service availability to ensure hassle-free maintenance. RO service kit are easily available and are worth the price.
- Brand & Certification: Look for brands with ISI mark, WQA, or NSF certifications for quality assurance.
- Water Taste & Mineralization: Some purifiers add minerals back to the water for improved taste and health benefits.
- Budget: Water purifiers range from ₹5,000 to over ₹30,000 based on features and technology. Set a budget that suits your needs.
- After-sales Service: Opt for brands with good service networks for maintenance support and peace of mind. Even local brands offer exceptional water quality, some even provide with measurement stickers to make drill holes.
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