TDS Kya Hota Hai? Complete Guide to Total Dissolved Solids
TDS (Total Dissolved Solids) is one of the most important parameters for measuring water quality. Understanding TDS can help you choose the right water purifier for your home.
What is TDS?
TDS measures the total amount of dissolved substances in water — including minerals, salts, metals, and other compounds. It is measured in mg/L or ppm (parts per million).
TDS Scale for Drinking Water
| TDS Level (ppm) | Rating | Action |
|---|---|---|
| 0–50 | Too Pure (no minerals) | Add minerals |
| 50–150 | Excellent | Ideal for drinking |
| 150–300 | Good | Acceptable |
| 300–500 | Fair | Use RO purifier |
| 500–1000 | Poor | RO purifier essential |
| 1000+ | Very Poor | Industrial RO needed |
How to Measure TDS?
Use a TDS meter — a small device available for ₹200–500. Simply dip it in water for 10 seconds to get the reading. Most cities in Punjab have TDS above 500 ppm, making an RO purifier essential.
What Happens When TDS is Too Low?
Water with TDS below 50 ppm (like RO-only water) lacks essential minerals. Drinking this long-term can lead to mineral deficiencies. This is why Alkin's Alkaline RO Purifier adds back essential minerals after RO purification.
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