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Product Support Articles
Find information on how to clean your water flosser, using mouthwash, and more.
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![Hand holding Sonic-Fusion Flosser Handle](/product-support/articles/images/sonic-fusion-troubleshooting-flosser-not-working.jpg)
WaterpikTM Sonic-FusionTM Troubleshooting: Flosser Not Working
If the floss function is not operating, try this quick step to enable wireless communication between the base and handle.
![Waterpik water flosser reservoir valve](/product-support/articles/images/reservoir-valve.jpg)
When to Replace a WaterpikTM Water Flosser Reservoir Valve
Some countertop WATERPIK water flosser models use a black valve in the bottom of the reservoir. Over time, you may need to clean or replace the valve.
![Easily clean a WATERPIK water flosser with vinegar and water](/product-support/articles/images/how-to-clean-waterpik-vinegar.jpg)
How to Clean a WaterpikTM Water Flosser
In 5 Easy Steps
Follow these 5 easy steps to keep your WATERPIK water flosser clean and performing well.
![Waterpik™ countertop and cordless water flossers](/product-support/articles/images/low-pressure.jpg)
What To Do About Low Pressure in Your Water Flosser
If you’re experiencing low pressure in your water flosser, try following these steps to improve performance.
![Using mouthwash with a Waterpik™ water flosser](/product-support/articles/images/waterpik-mouthwash.jpg)
Mouthwash & Your WaterpikTM Water Flosser
What's Safe to Use
Find out what's safe to add to your WATERPIK water flosser and how to maintain the product after use.
5 Support Articles Match