Is the Aquarius worth it over string floss?

Waterpik claims up to 50% better gum health than string floss, and owners often report cleaner teeth and less bleeding. It is a good pick if you want a countertop unit with many pressure settings.

How is it different from the Waterpik Sonic-Fusion or cordless models?

The Aquarius is a corded countertop flosser with a 22 oz reservoir and 10 settings. Cordless models trade tank size and pressure for portability, and the Sonic-Fusion adds a toothbrush head.

How often do I refill the reservoir?

The 22 oz tank gives 90+ seconds of flossing, enough for one thorough session. Two users or a long routine will need a refill.

Can I use it with braces or implants?

Yes. The 7 included tips cover braces, implants, crowns and periodontal pockets, and the tongue cleaner nozzle is sold separately.

Does it work outside the US?

No. It is rated 120VAC/60Hz for North America only, so it needs a voltage converter elsewhere.

When is the Aquarius cheapest?

It has been listed as low as $65.88 at eBay as of November 7, 2026. Watch for holiday and back-to-school sales, when countertop flossers usually drop.