What do reviews say about noise?

Electric Teeth measured about 72 dB; Dentaly rates its noise only 2/5.

What do reviews say about pressure?

Ten pressure levels, from roughly 10 up to 100 PSI.

What do reviews say about tank?

The 600–650 ml tank lasts about 90 seconds of flossing.

What do reviews say about warranty?

Both reviews note a 3-year warranty, above average.

Beauty & Skincare · Oral care · 2,878 reviews · 4 sources

Waterpik Aquarius Water Flosser WP-660

Best for: deep gum-line cleaningMid-range

The benchmark countertop water flosser, with ten pressure levels and seven tips. It is loud and needs outlet space.

Tracking since Sep 2026

Buy if

You want strong, adjustable pressure
You floss at one home sink

Skip if

You need a cordless travel flosser
Noise bothers your household

How it scores

Value8.0

Efficacy6.0

Price

$99.99

You pay for: List price; often discounted

Reviewed Sep 2026 · 0 new reviews since · score unchanged

What people love

Most mentioned by reviewers

Pressure control10 levels, about 10–100 PSI

Plaque removalStrong clean, ADA accepted

Tip varietySeven tips for different needs

What people complain about

Most mentioned by reviewers

Countertop onlyCorded and takes up space

Loud motorNoisy at higher pressure

Mold and leaksSome owners report mold

Reviewers disagree on

Top plaque removal for the priceLoud and bulky on the counter

Alternatives

Same price · $99.99

Ask about this product

Sources

AI summary of public reviews, not a recommendation.