How to Clean and Maintain Your Water Flosser to Prevent Mold and Buildup

Why Maintenance Matters

A water flosser is an investment in your health, but because it deals with water, it requires regular maintenance. Over time, mineral deposits from tap water and moisture can lead to mold and bacterial growth inside the reservoir and tubes. Keeping your flosser clean ensures it operates at peak performance and remains hygienic.

Daily Maintenance: Dry It Out

The simplest cleaning habit is to empty the water tank after every use. Stagnant water is a breeding ground for bacteria. Remove the reservoir, pour out any remaining water, and leave the tank open or off to air dry. Wipe down the exterior of the device with a clean cloth.

Weekly Clean: Wash the Reservoir

Once a week, wash the reservoir with warm soapy water. If you use the SWSH E30 or SWSH S40, you can detach the tank easily for quick cleaning. Rinse it thoroughly to ensure no soap residue remains.

Monthly Deep Clean: Flush the System

To clean the internal components and remove hard water minerals:

1. Mix 1-2 tablespoons of white vinegar with warm water in the reservoir.
2. Run the mixture through the unit until the tank is empty.
3. Fill the reservoir with clean, warm water and run it through again to rinse out any vinegar smell.

Nozzle Care

Replace your flosser nozzles every 3 to 6 months, just like a toothbrush head. Over time, the tips can wear out or collect mineral buildup, which reduces the effectiveness of the water jet. Keep a stock of SWSH replacement tips handy to keep your routine clean.