TDS Calculator
Total Dissolved Solids — measures all minerals, salts & metals in water
📊 TDS Scale Reference
| TDS (ppm) | Rating | Suitable For |
|---|---|---|
| 0 – 50 | Ultra Pure | Lab, Aquariums |
| 50 – 150 | Excellent | Drinking, Cooking, Baby |
| 150 – 300 | Good | Drinking, General Use |
| 300 – 500 | Fair | General Use |
| 500 – 1000 | Poor | Not for Drinking |
| > 1000 | Dangerous | Not Safe |