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  • Who should use a Water Flosser?
    Anyone ages 6+ can benefit from using the Waterpik Water Flosser daily to remove plaque and debris where brushing and string floss can't reach.  

    When should I use the Water Flosser?

    We recommend using your Water Flosser prior to toothbrushing. Removing food and debris enhances the effectiveness of both toothbrushing and toothpaste.

    What setting should the Water Flosser be used on?
    The Water Flosser has been clinically proven to be safe on all settings. First time users should start out at the lowest pressure setting then gently increase the pressure to the highest setting that feels comfortable.

    How long does it take to Water Floss?
    It takes about 1 minute per day to use the Waterpik Water Flosser.

    Can I use solutions such as mouthwash in my Water Flosser?
    Yes, you can use mouthwash or other rinses, and we suggest that you do so with no more than a 1:1 ratio of mouthwash to water. It is important to thoroughly rinse out the reservoir, filling it with one full clean water rinse after each use. Failure to rinse the unit may result in loss of product performance or function.

    Please do not use iodine, baking powder, tea tree oil, or other essential oils in the reservoir. Use of these additives will reduce the product performance and shorten the life of the product.

    Are these products safe for children to use? 
    The Waterpik Water Flosser is recommended for children 6+ years of age. We suggest that children start on a low pressure and to remember that if the water is on, the tip needs to be in the mouth.

    What about braces?
    A fast, easy, and effective way to remove plaque around braces and orthodontic appliances is to use the Waterpik Water Flosser, especially with the Orthodontic Tip.

    Can I use this product if I have bridges or implants?

    Yes, this product is perfect for anyone with braces, implants, crowns, or bridges. It is a great way to help protect your oral health investment.

    What about gum disease?
    Gum disease prevention and treatment requires good daily care at home. If you suspect you have gum disease, consult with your dental professional. Adding the Waterpik Water Flosser to your oral care routine can be one of the most effective ways to improve gum health. And because it removes plaque and bacteria, the Water Flosser also helps freshen breath.

    Is this device global voltage compatible?
    The Complete Care 5.0 is for use in North America only; 120VAC/60Hz. 

    How do I clean the Water Flosser?
    Before cleaning, unplug from the electrical outlet. Clean the product when necessary by using a soft cloth and mild non-abrasive cleanser.

    The water reservoir is removable for easy cleaning and is top rack dishwasher safe.

    To remove hard water deposits, add 2 tablespoons of white vinegar to a full reservoir of warm water. Set pressure control dial to high and point the handle and tip into sink. Turn power and water switch ON and run until reservoir is empty. Rinse by repeating with a full reservoir of clean warm water.

    How long will the oscillating toothbrush battery last?
    A full charge will last for approximately 20 pre-timed brush cycles, or approximately 10 days, if brushing twice daily. Charge the toothbrush when the indicator light shows 1/3 charge life.

    How does the toothbrush timer and pacer work?
    To remind you to move to the next quadrant of your mouth, the toothbrush creates a short pause every 30 seconds. After 2 minutes of run time, it automatically shuts off.

    Is the toothbrush battery replaceable?
    The toothbrush uses a rechargeable Nickle Metal Hydride (NiMH) battery, which is not replaceable. Refer to the Product Manual for additional details.

    What is the warranty period for the Complete Care 5.5?

    This combination model comes with a limited 2-year warranty. A dated sales receipt is required for warranty validation. The specifics about the warranty can be found in the Product Manual.

    Who do I contact for Service and Support?
    Contact Waterpik customer service toll-free at 1-800-525-2774 (USA) or visit

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