Waterpik
Waterpik Aquarius WP-660
$99.99
Released 2013
Best Water Flossers · head-to-head
Waterpik Aquarius WP-660 vs Bitvae C2 Water Flosser
A sourced, side-by-side comparison. Bitvae C2 Water Flosser is cheaper at $26. Every spec and price links to its source.
Bitvae
Bitvae C2 Water Flosser
$26Cheaper
Released 2022
Which is better: the Waterpik Aquarius WP-660 or Bitvae C2 Water Flosser?
On the specs we track, they're closely matched. The Bitvae C2 Water Flosser is the cheaper at $26.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Waterpik Aquarius WP-660 | Bitvae C2 Water Flosser |
|---|---|---|
| US price | $99.99 | $26 |
| Brand | Waterpik | Bitvae |
| Released | 2013 | 2022 |
| Type | countertop | cordless |
| Tank capacity (ml) | 651 | 300 |
| Pressure settings | 10 | 3 |
| Max pressure (psi) | 100 | 110 |
| Tips included | 7 | 6 |
| Power | corded | rechargeable |
| Runtime min | 1.5 | 1 |
| Release | 2013 | 2022 |
Sources — Waterpik Aquarius WP-660: waterpik.com (verified 2026-06-19). Bitvae C2 Water Flosser: amazon.com (verified 2026-06-19).
What's the difference between the Waterpik Aquarius WP-660 and Bitvae C2 Water Flosser?
Where the two actually differ on the specs we track (7 of 7). Matching specs are omitted.
- Type: Waterpik Aquarius WP-660 countertop vs Bitvae C2 Water Flosser cordless
- Tank capacity (ml): Waterpik Aquarius WP-660 651 vs Bitvae C2 Water Flosser 300
- Pressure settings: Waterpik Aquarius WP-660 10 vs Bitvae C2 Water Flosser 3
- Max pressure (psi): Waterpik Aquarius WP-660 100 vs Bitvae C2 Water Flosser 110
- Tips included: Waterpik Aquarius WP-660 7 vs Bitvae C2 Water Flosser 6
- Power: Waterpik Aquarius WP-660 corded vs Bitvae C2 Water Flosser rechargeable
- Runtime min: Waterpik Aquarius WP-660 1.5 vs Bitvae C2 Water Flosser 1