Choosing the right water purifier in 2026 can feel like a science experiment. Between different technologies like RO, UV, and UF, and the technical jargon of TDS, it’s easy to get overwhelmed.
At Aquafresh, we believe in making pure water simple. This comprehensive guide will help you decode these technologies and select the perfect system to keep your family healthy.
1. The Technology Breakdown: RO vs. UV vs. UF
Understanding the core technology is the first step. Each method targets different types of contaminants.
Quick Comparison Table
| Feature | RO (Reverse Osmosis) | UV (Ultraviolet) | UF (Ultrafiltration) |
| Primary Job | Removes dissolved salts & metals | Kills bacteria & viruses | Filters physical particles |
| Removes TDS? | Yes (Up to 90%+) | No | No |
| Electricity? | Required (for pump) | Required (for UV lamp) | Not Required |
| Water Wastage | High (Reject water) | Zero | Zero |
| Best For | Borewell/Tanker water | Municipal water | Low-risk tap water |
A Deeper Look
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RO (Reverse Osmosis): The "Gold Standard" for hard water. It uses a semi-permeable membrane with pores as small as $0.0001$ microns. It’s the only technology that can remove heavy metals like lead, arsenic, and fluoride.
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UV (Ultraviolet): Think of this as "electronic boiling." High-intensity UV rays penetrate pathogens and destroy their DNA, making them harmless. It doesn't change the taste or chemistry of the water.
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UF (Ultrafiltration): Uses a hollow-fiber membrane (0.01 microns) to physically block bacteria and cysts. Because it doesn't need electricity or a pump, it’s highly eco-friendly but cannot handle "hard" water.
2. Your Step-by-Step Selection Guide
Don't buy a purifier just because it looks good. Follow this logical flow to find your match:
Step 1: Check Your Water’s TDS
TDS (Total Dissolved Solids) is the measure of salts and minerals in your water.
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Below 200 ppm: Your water is soft. A UV or UF system is usually enough.
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200 – 500 ppm: This is the "transition zone." An RO system is recommended to improve taste and remove potential industrial runoff.
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Above 500 ppm: Your water is hard. RO is mandatory to make it drinkable and safe for your kidneys.
Step 2: Identify the Water Source
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Municipal Supply: Usually low TDS but high risk of bacterial contamination from old city pipes. UV+UF is a great choice here.
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Borewell/Tanker: Typically high TDS and rich in heavy metals. Only an RO-based system can handle this.
Step 3: Understand Family Size & Daily Usage
A 4-member family needs a storage capacity of at least 8–10 liters. If you live in an area with frequent power cuts, ensure your model has a large storage tank so you don't run out of purified water.
3. The Aquafresh Recommendation Model
We’ve designed our 2026 lineup to cater to every Indian household and workplace.
Domestic RO Series (The Family Choice)
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Ideal For: Families of 4–8 members.
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Key Feature: Our domestic models, like the Aquafresh Epic, feature a 12-15 liter storage capacity and a 10-stage purification process.
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Why it works: It balances minerals while ensuring 100% protection from all contaminants.
Commercial RO Series (The High-Volume Pro)
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Ideal For: Offices, schools, and small clinics.
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Key Feature: High-output membranes that can provide 25 to 100 liters per hour.
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Why it works: Built with durable stainless steel or high-grade ABS, these are designed for continuous duty without overheating.
RO + UV + UF + TDS Controller (The Ultimate Protector)
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Ideal For: Areas with "mixed" water sources or high contamination.
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Key Feature: This "all-in-one" system uses RO for salts, UV for germs, and a TDS Controller to ensure your water isn't "dead."
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Why it works: It allows you to adjust the final mineral content, ensuring your water is safe and tasty.
4. Maintenance: The Secret to Longevity
A water purifier is only as good as its filters. To keep your Aquafresh running at peak performance:
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Pre-Filter: Change every 3–6 months (it catches the heavy mud).
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Carbon/Sediment Filters: Change every 6–8 months.
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RO Membrane: Usually lasts 1.5–2 years depending on input water quality.
5. Conclusion: Safe Water = Safe Family
In 2026, we are facing more water challenges than ever before. Choosing an Aquafresh RO system means you are investing in a healthier future. Whether you need a compact unit for a small apartment or a heavy-duty system for an office, we have the technology to match your needs.