Ninja HydraSense vs Waterdrop Countertop faucet filter CTF-01
Only the Ninja HydraSense is certified to reduce PFAS, lead, chloramine and mercury and 2 more. Verdict: the Ninja HydraSense for broader certified protection (7 vs 1 of the contaminants we track); the Waterdrop Countertop faucet filter CTF-01 if running cost matters more. Replacement filters and water for 2 people cost about $80 a year on the Ninja HydraSense and $40 on the Waterdrop Countertop faucet filter CTF-01; they cost $250 and $80 to buy.
| Ninja HydraSense | Waterdrop Countertop faucet filter CTF-01 | |
|---|---|---|
| Type | Countertop filter | Countertop filter |
| Price | $250 | $80 |
| Filters + water a year (2 people) | $80 | $40 |
| Filter cost per gallon (rated life) | 33¢ | 0.5¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | none | diy |
| PFAS | Certified | — |
| Lead | Certified | Brand test only |
| Chlorine | Certified | Certified |
| Chloramine | Certified | — |
| Fluoride | — | Brand test only |
| Mercury | Certified | — |
| Microplastics | Certified | — |
| VOCs | Certified | — |