Waterpik Aquarius Countertop Water Flosser WP-667 (Modern Gray) vs Waterpik Cordless Pulse 3100 Water Flosser, WF-20CD010 (White)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
Waterpik Aquarius Countertop Water Flosser WP-667 (Modern Gray)
A shared bathroom where several people want their own tip and pressure setting
The gray Aquarius: a plug-in countertop flosser with a ten-position pressure dial, Floss and Hydro-Pulse Massage modes, a 30-second pacer you can switch off, and seven tips with storage for two under the lid. Waterpik lists it for 120 V North American outlets only, and covers it with a three-year limited warranty.
Published specifications
- Model WP-667; listing prints WP-667CD; Modern Gray
- Ten pressure settings on a base dial; prime at 10, start at 1
- Two modes: Floss and Hydro-Pulse Massage, with LED indicators
- Timer pauses at 30 seconds and 1 minute; can be deactivated
- Listing: 22 oz reservoir, 3.8 x 4.7 x 10.3 in, 1.46 lb
- 120 VAC 60 Hz only; three-year limited warranty
Strengths
- Seven tips and two under-lid tip slots suit more than one user
- Timer and pacer can be switched off from the mode button
- Reservoir lifts off and is top-rack dishwasher safe
Caveats
- 120 V only, and the manual says other voltages void the warranty
- Needs a vinegar descaling run every one to three months
- Warranty excludes tips and is void if the unit is opened
Read the full Waterpik Aquarius Countertop Water Flosser WP-667 (Modern Gray) guide
Waterpik Cordless Pulse 3100 Water Flosser, WF-20CD010 (White)
Light daily use and travel where a small tank is acceptable
A small cordless water flosser with low and high settings, a Precision tip and a Tongue Cleaner, and up to nine weeks per charge according to Waterpik. The two manuals give different charger ratings and no charger is included. The listing says shower use is fine; the manuals say never immerse it.
Published specifications
- Listing: model WF-20CD010; cordless, lithium-ion, non-replaceable
- Listing: 6 oz reservoir, up to 45 seconds of flossing
- Manuals: Low and High settings on one slide switch
- Waterpik: 4-hour first charge; up to 9 weeks per charge
- Charger not included: 5V 1A USB-A (listing manual) vs 5V 3A (Waterpik)
- Manuals: two-year limited warranty; tips excluded
Strengths
- Up to nine weeks per charge, according to Waterpik
- Simple two-setting slide switch and a compact handle
- Tongue Cleaner tip included alongside the Precision tip
Caveats
- Manuals disagree on the charger rating, and none is included
- Small 6-ounce tank and only two tips, per the listing
- No Waterpik product page found to confirm listing specs
Read the full Waterpik Cordless Pulse 3100 Water Flosser, WF-20CD010 (White) guide
How to choose between them
Choose the Waterpik Aquarius Countertop Water Flosser WP-667 (Modern Gray) if your situation matches: A shared bathroom where several people want their own tip and pressure setting. Its main caveat: 120 V only, and the manual says other voltages void the warranty.
Choose the Waterpik Cordless Pulse 3100 Water Flosser, WF-20CD010 (White) if your situation matches: Light daily use and travel where a small tank is acceptable. Its main caveat: Manuals disagree on the charger rating, and none is included.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- Waterpik WP-667 Aquarius product page Source for Waterpik Aquarius Countertop Water Flosser WP-667 (Modern Gray)
- Waterpik Water Flosser 600 Series owner's manual (Waterpik PDF on the listing) Source for Waterpik Aquarius Countertop Water Flosser WP-667 (Modern Gray)
- Waterpik Instructions for Use: Cordless Pulse 3100 Water Flosser WF-20 Series (PDF) Source for Waterpik Cordless Pulse 3100 Water Flosser, WF-20CD010 (White)
- Waterpik Water Flosser WF-20 | 21 Series manual attached to the listing (PDF) Source for Waterpik Cordless Pulse 3100 Water Flosser, WF-20CD010 (White)
Primary sources checked .