Which is better for people with braces?

The Waterpik Aquarius is better because it includes a specific Orthodontic tip designed to clean around brackets and wires.

Does the GENKENT have enough pressure?

Yes, the GENKENT reaches up to 120 PSI, which is comparable to or slightly higher than most standard countertop models.

Is the Waterpik Aquarius worth the extra cost?

As of November 7, 2026, the Waterpik is actually cheaper at $19.99 (eBay) compared to $32.99 for the GENKENT (Walmart), making it the better value.

Can multiple people use these devices?

Both are family-friendly; the Waterpik includes 7 tips while the GENKENT includes 5, allowing different users to have their own color-coded attachments.

Waterpik Aquarius Water Flosser WP-660 vs GENKENT Water Flosser

The Waterpik Aquarius WP-660 is the superior choice for most users due to its higher reliability and specialized tips, especially at its current $19.99 price point at eBay as of November 7, 2026. While the GENKENT offers a larger 800ml reservoir, the Waterpik's proven plaque removal efficiency and built-in timer provide a more structured cleaning routine.

Today the Waterpik Aquarius Water Flosser WP-660 costs $13.00 less at its best price.

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