Waterpik Aquarius Water Flosser WP-660 wins — The Waterpik Aquarius WP-660 outperforms the Sonic Fusion 2
Scores: Waterpik Aquarius Water Flosser WP-660 8.5/10 · Waterpik Sonic Fusion 2.0 7/10
The Waterpik Aquarius WP-660 outperforms the Sonic Fusion 2.0 for pure water flossing efficacy with its larger reservoir and proven plaque removal rates from independent studies. The Sonic Fusion 2.0 provides convenience through its dual sonic toothbrush and flosser design but sacrifices reservoir size and dedicated performance. These products serve different primary purposes, with the Aquarius...
| Waterpik Aquarius Water Flosser WP-660 | Waterpik Sonic Fusion 2.0 | |
|---|---|---|
| Reservoir Capacity | 22 oz | — |
| Pressure Levels | 10 | 10 |
| Pulsations per Minute | 1400 | 1400 |
| Power Source | Corded | Rechargeable |
Our pick: Waterpik Aquarius Water Flosser WP-660. It edges out the alternative on 10 pressure settings for customizable cleaning. That said, Waterpik Sonic Fusion 2.0 still wins on combines sonic toothbrush with water flosser — consider it if that single trade matters most for your use.