smartwater vs Eternal Water: which water is healthier?
Updated · Scores from third-party lab reports · How we score
Eternal Water is the healthier choice, scoring 85/100 versus 50/100 for smartwater. The biggest differences are contaminants and water source.
Side-by-side comparison
| smartwater | Eternal Water | |
|---|---|---|
| Purity score | 50/100 | 85/100 |
| Product compared | Glaceau Smartwater Plastic Bottle | Eternal Water Gallon |
| Type | Still | Still |
| Water source | Municipal Supply | Mountain Spring |
| Packaging | Polyester | Plastic |
| Microplastics risk | High | High |
| Lab tested | Yes | Yes |
| PFAS tested | No | Yes |
| Contaminants flagged | 1 | 2 |
| pH | 9.5 | 8.1 |
| TDS (minerals) | 28 ppm | 110 ppm |
| Fluoride | 0 mg/L | — |
Score breakdown
| Factor | smartwater | Eternal Water |
|---|---|---|
| Lab report indexed | 45/45 | 45/45 |
| Contaminants | 0/50 | 44/50 |
| Water source | 15/25 | 25/25 |
| Mineral preservation | 17/17 | 17/17 |
| Packaging material | 2/22 | 2/22 |
| Cap material | 7/7 | 7/7 |
| PFAS testing | 0/5 | 5/5 |
Each brand is represented by its most popular product. See all products from smartwater and Eternal Water.
Frequently asked questions
Which is better, smartwater or Eternal Water?
Eternal Water is the healthier choice, scoring 85/100 versus 50/100 for smartwater. The biggest differences are contaminants and water source.
Is smartwater or Eternal Water better for avoiding microplastics?
smartwater (polyester) has a high microplastics risk and Eternal Water (plastic) has a high risk, based on packaging material.
Which has more minerals, smartwater or Eternal Water?
Eternal Water has more dissolved minerals (110 ppm TDS vs 28 ppm).