The Strategist85est.
The writer tested it and calls it the clear best overall, backed by six dentists.
Waterpik Aquarius WP-660
4 expert reviewsChecked 1 Nov 2026
Quick answer
The Waterpik Aquarius WP-660 has a critic score of 84 out of 100 from 4 professional reviews, including The Strategist, CNET and Good Housekeeping. 4 of 4 recommend it, and scores range from 83 (CNET) to 85 (The Strategist). 0 of the scores are printed by the outlets and 4 are our estimates from the review text. Most praised: attachments (4 of 4).
Reviews checked 1 Nov 2026
Photo coming
Best for: Best overall
Our verdict
4 professional reviewers tested the Waterpik Aquarius WP-660, and 4 recommend it. Most praised: attachments.
The catch: Large unit that takes up counter space.
Critic agreement: Medium
Scores run from 83 to 850 printed scores, 4 estimated
Early score: only 4 professional reviews so far. Expect it to move as more reviews come in.
4 of these 4 outlets print no score. We estimated theirs from the review text and corrected for the known tendency of estimates to run high.
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What do critics say about the Waterpik Aquarius WP-660?
CNET83est.
Tested in a roundup of ten flossers, the Aquarius is named the best choice for braces wearers.
Good Housekeeping83est.
Named best for tip variety after lab and consumer-panel testing, with one tester saying it felt like a professional cleaning.
SlashGear83est.
One of ten bathroom gadgets the writer's family uses, praised for clearing stubborn food.
Scores are converted to 0–100. "est." means the outlet gave no number, so we estimated one from its verdict. How we score
What critics praise most
Attachments4 of 4
What critics dislike most
No clear pattern.
Common questions
Is the Waterpik Aquarius WP-660 worth it?
Most critics think so: 4 of 4 recommend it. Large unit that takes up counter space.
Do critics agree about the Waterpik Aquarius WP-660?
Agreement is medium: scores range from 83 (CNET) to 85 (The Strategist), a spread of 2 points across 4 reviews. Most reviewers land close together, with some outliers.