Hydroviv Under Sink Water Filter

#7 of 7 under sink water filters tested

No sponsored placements·By Renée Torres

3.5R3 Score / 10

We can't recommend this one.

No sponsored placements· By Renée Torres

Safety

The bottom line

What the product listing won't tell you

Know before you buy

Hydroviv built something genuinely clever: a filter customized to your specific city's water problems using real utility and EPA data. For people in cities with known lead or PFAS issues, that targeted approach is appealing. The score is low not because Hydroviv is a bad filter, but because R3's framework is built on what can be independently verified — and right now, neither the PFAS protection nor the performance results can be confirmed by an outside party. If you're willing to take Hydroviv's word for it, you might be fine. If you need proof you can look up yourself, this filter can't provide it.

You rent or live in a condo and can't drill through your counter — this is the only under-sink filter that uses your existing faucet without modification.
You're in a city with documented contamination issues and you want a filter targeted to your utility's specific water profile.
You want zero water waste — no drain line, no gallons poured away for every gallon filtered.
Annual cost is a priority — at $94/yr, Hydroviv is among the more affordable certified options for under-sink filtration.

Skip if

You need PFAS protection you can verify independently at NSF.org — Hydroviv holds no NSF P473 PFAS certification.
You want published lab test results showing exactly which contaminants were removed and by how much — Hydroviv doesn't publish structured test reports.
Your top concern is PFAS (PFOA, PFOS, GenX, PFBS): the Aquasana AQ-5200 at $249 carries NSF P473 PFAS certification and is verifiable.