What Makes Waterpik Aquarius Water Flosser WP-660 the Best in the Market?

Flossing your teeth can be stressful, isn’t it?

However, most of us forget how important it is to floss regularly to keep our dental hygiene pristine.

Thorough brushing even with top notch toothbrushes can only clean up to 60% of your enamel surface. To achieve a risk free oral health, flossing is a must.

With WP-660 it is more possible than ever to achieve that proper oral cleanliness more proficiently and effectively. This highly advanced water flosser is superior over traditional string flossers and other water flossers as well.

Let’s look more into it.

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Unboxing The Flosser

These are the following things that you would get while you unbox the Waterpik Aquarius water flosser wp-660:

Unboxing Waterpik WP-660

  • The Waterpik water flosser
  • Seeker tip for plaque
  • Classic jet tip
  • Pik pocket tip
  • Orthodontic tip
  • The toothbrush tip
  • The instructional manual for effective using
  • The charger

The packing of the box is clean, smooth and proper. There is a separate place for each part of the flosser which ensures easy and convenient handing. The mentioned model is fully assembled and is ready to use as you take it out of the box. You just need to charge the flosser for using it without putting any other efforts.

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Design of The Water Flosser

Waterpik WP-660

The Waterpik wp-660 is one such model that has attracted many people with its right and eye-catchy design. Although there are still many scopes for improving the design, the model still gets a high score with its design. The design of the model has been effectively modified from the basic level to the advanced for further adding charm to the model.

The simple and clean design of this model is something that attracts the users towards it. The white color of the flosser complements it very well and attracts the attention of the users. It is one of the best looking models of the water flosser and has successfully managed to over-shadow the ugly lumps in the earlier models of the water flosser.

There are different compartments for the individual part which avoids the chaos in between the parts. The simple and easy to use on/off button on the handle makes the usage really convenient for the users.

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Features of The Flosser

The Waterpik Aquarius water flosser wp-660 offers the following features to its users:

Large sized reservoir

Water reservoir is one of the essential needs in a water flosser. This model of Waterpik has so designed that it can hold a total of 22 ounces water. The water container is made of plastic and thus prevents itself from all the major problems. The measurements are printed on the reservoir for helping the users to fill in the right amount of water.

Convenient tip holder

One of the major benefits that this water flosser offers is the ease of holding the tips. The design is so made that the users can hygienically secure and place their most frequently used tip. It offers two distinguished places to store two different tips at the same time. This means that you don’t need any extra effort for replacing the tips. You can use any of the two tips as and when required. The only thing that you need to take care is to remove the water reservoir before using and handling the two tips.

Easy control buttons

For managing the various operations of Waterpik wp-660, there are many buttons available on the left side of the body. There are in total 3 buttons available on the flosser, which is as follows:

  • Power button: It is the first and topmost button available that performs the basic function to switch on and off the flosser.
  • Mode selector: This button helps the users to select the mode of the device. The users can use this model to either floss or massage.
  • Pressure dial: As the name suggests, this is the button which is used for controlling the required pressure when using the flosser for different modes.

Power cord

Unlike many of the other water flosser, the Waterpik Aquarius water flosser wp-660 has a very convenient power cord that allows a smooth functioning of the flosser. You just need to plug in the power cord for making the flosser ready to be used. As soon as you plug-in the power cord, the flosser gets the required power to deliver the necessary operations.

Rubber feet

One of the major attractions that this flosser offers to its users is that of the rubber feet. There are a total of 5 rubber feet in this flosser which ensure the fact that the flosser is always at a certain height from the ground. The smooth rubber grip of the rubber feet also allows the water flosser to stand smoothly on the surface avoiding any kind of slipping or sliding.

Flosser handle

Another highlighting feature of the water flosser is its handle. The design of the flosser is way attractive and convenient due to the adequate placement of the various parts of the flosser. The buttons are easy to use and smooth for pressing. The handle also offers a smooth and comfortable grip while using it for flossing. Thus, the user can be sure that the flossing can be done without any difficulty.

Excellent grip

The flosser offers an excellent grip to its users. The large size and the material of the handle combine in the best manner to enhance the usage of this flosser. The excellent grip of the flosser ensures that it can be used under any condition for getting the desired results.

My Impression

Waterpik Aquarius is by far the most advanced professional water flosser available in the market and the first in its class to get accepted by the American Dental Association.

Using WP-660

WP 660 uses an exclusive amalgamation of water pressure and pulsation system to clean plaque and debris from deep inside your teeth and gum-lines. It has been clinically proven its capability of cleaning up to 99.9% plaque from treated areas.

10 water pressure settings combined with 7 flosser tips provides maximum plaque removal efficacy. Advanced pulse modulation technology gives enhanced gum stimulation. The new Hydro-Pulse massage mode enables improved water circulation to freshen up your mouth more accurately.

You can easily control water flow using the swift on/off button placed nicely on the handle. The visually comforting LED display shows all necessary information and 1-minute timer with half minute pacer is most convenient solution for accurate measurement of flossing period. Large water tank holds up to 650 ml of water and lasts for 90 seconds of use.

Waterpik Aquarius water flosser is 50% more effective than traditional string floss to improve your gum health. It comes with superior oral irrigator technology which is perfect for braces, crowns, implants, or periodontal pockets. You can expect healthier gum just within 14 days of use.
Pressure settings

It’s very easy to clean. You just need one quick cycle to clean it up and its totally dishwasher safe.

Just by looking at its ergonomics it is obvious that Waterpik has put a lot of effort in its design. It looks exceptionally sleek and has a really comfortable grip.

Judging by WP 660’s quality and efficiency It’s obvious that it is amongst one of the best water flosser out there. However, I don’t want to be totally biased by skipping some its inconvenience either.

The first downside I want to point out is that like most other products from its line, Waterpik did not make WP 660 intending customers outside US. Shipment outside US is prohibited by Waterpik and any warranty issuance will be voided if sold or used outside US. The charger included in the packaging is only compatible with North American 120VAC/60Hz outlets.

Another issue is it can be loud especially for others when sleeping. Not a big issue if you’re using this inside a closed environment however, even little gushing noise can be irritating for some users.


I wish Waterpik had put more thoughts while designing the water tank compartment. Reading the printed measurement while filling up the tank is a bit troublesome. Also, the tip holder while causes no harm to classic tips, it is very difficult for tips with bristles to put in.


  • First in its class to get accepted by American Dental Association.
  • Cleans up to 99.9% plaque.
  • 1 to 10 water pressure settings.
  • 7 flosser tips.
  • Advanced pulse modulation technology.
  • Hydro-Pulse massage mode allows improved water circulation.
  • Easy water flow control with on/off button.
  • 50% more effective for gum health than traditional string floss.
  • Healthier gums in just 2 weeks.
  • Easy to clean and dishwasher safe.
  • Remarkably sleek looking and comfortable grip.


  • Product intended only for US based customers.
  • A bit noisier.
  • Need some improvement in water tank compartment and tip holder design.

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Frequently Asked Questions

Can I charge and use this product outside US?
Although this version is intended for North American customers only, you can use and charge this model using a power converter or adaptor. For example, you can buy a Waterpik Aquarius WP660 220-110v converter. If you are a customer living outside US then I would recommend you to buy the 220-240V version such as is sold in Australia and Europe. 

How loud is WP660?
Depends on how much noise you can handle. As a matter of fact, noise is an issue with almost all the water flossers out there. My suggestion would be using this water flosser before everyone sleeps so that you be safe from waking up others.

Can my partner and I use the same unit?
Yes, you can share this unit with your partner. Just keep separate flosser tip for each one of you and remember to replace with your own before using it.

Can I put mouthwash in the reservoir?
If you want to use mouthwash instead of just water then I would suggest to mix in half with water and then put it in the reservoir and flush it with plain water afterwards.

Final verdict

Waterpik Aquarius is tested and trusted by orthodontists around the world and accepted by American Dental Association.

It does more than typical flosser strings and mouthwash, pushes food particles and bacteria out more effectively while taking care of your gum health.

A bit expensive. However, it’s a far better option to practice regular flossing and save time.

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