Aquasana Clean Water Machine vs Ninja HydraSense
Only the Aquasana Clean Water Machine is certified to reduce cysts. Verdict: the Aquasana Clean Water Machine for broader certified protection (8 vs 7 of the contaminants we track); the Ninja HydraSense if running cost matters more. Replacement filters and water for 2 people cost about $147 a year on the Aquasana Clean Water Machine and $80 on the Ninja HydraSense; they cost $400 and $250 to buy.
| Aquasana Clean Water Machine | Ninja HydraSense | |
|---|---|---|
| Type | Countertop filter | Countertop filter |
| Price | $400 | $250 |
| Filters + water a year (2 people) | $147 | $80 |
| Filter cost per gallon (rated life) | 24¢ | 33¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | none | none |
| PFAS | Certified | Certified |
| Lead | Certified | Certified |
| Chlorine | Certified | Certified |
| Chloramine | Certified | Certified |
| Mercury | Certified | Certified |
| Microplastics | Certified | Certified |
| Cysts | Certified | — |
| VOCs | Certified | Certified |