Arrowhead vs Core Hydration: which water is healthier?
Updated · Scores from third-party lab reports · How we score
Arrowhead is the healthier choice, scoring 57/100 versus 50/100 for Core Hydration. The biggest differences are water source and contaminants.
Side-by-side comparison
| Arrowhead | Core Hydration | |
|---|---|---|
| Purity score | 57/100 | 50/100 |
| Product compared | Arrowhead Mountain Spring Water Gallon | Core Hydration Plastic Bottle |
| Type | Still | Still |
| Water source | Mountain Spring | Municipal Supply |
| Packaging | Plastic | Plastic |
| Microplastics risk | High | High |
| Lab tested | Yes | Yes |
| PFAS tested | No | No |
| Contaminants flagged | 6 | 2 |
| pH | 7.5 | 7.4 |
| TDS (minerals) | 135.5 ppm | 78 ppm |
| Fluoride | 0.5 mg/L | 0 mg/L |
Score breakdown
| Factor | Arrowhead | Core Hydration |
|---|---|---|
| Lab report indexed | 45/45 | 45/45 |
| Contaminants | 1/50 | 0/50 |
| Water source | 25/25 | 15/25 |
| Mineral preservation | 17/17 | 17/17 |
| Packaging material | 2/22 | 2/22 |
| Cap material | 7/7 | 7/7 |
| PFAS testing | 0/5 | 0/5 |
Each brand is represented by its most popular product. See all products from Arrowhead and Core Hydration.
Frequently asked questions
Which is better, Arrowhead or Core Hydration?
Arrowhead is the healthier choice, scoring 57/100 versus 50/100 for Core Hydration. The biggest differences are water source and contaminants.
Is Arrowhead or Core Hydration better for avoiding microplastics?
Arrowhead (plastic) has a high microplastics risk and Core Hydration (plastic) has a high risk, based on packaging material.
Which has more minerals, Arrowhead or Core Hydration?
Arrowhead has more dissolved minerals (135.5 ppm TDS vs 78 ppm).