How to Clean the Classic Blue Aquarius Water Flosser
By Waterpik™ Oral Health - Water Flossers, Electric Toothbrushes | Published: 2026-10-20
Category: How-to Guides
Learn the step-by-step process to clean and descale your Classic Blue Aquarius Water Flosser (WP-663) to keep it performing at its best.
Quick Answer
To clean your Classic Blue Aquarius Water Flosser, wipe the exterior, rinse the reservoir, and run a vinegar-water solution through the unit to descale internal components.
Why Regular Cleaning Matters
The Classic Blue Aquarius Water Flosser (WP-663) is designed to improve gum health, but mineral deposits from hard water can build up inside the unit over time. This buildup can reduce water pressure and make the flosser less effective.
Cleaning every one to three months prevents clogs and keeps the unit running smoothly. It also helps maintain hygiene by preventing mold or bacteria from developing in the reservoir.
What You'll Need
Gather white vinegar, warm water, a soft cloth, and a small brush (like a toothbrush) for hard-to-reach areas. Avoid abrasive cleaners or harsh chemicals, as they can damage the flosser's plastic components.
Step-by-Step Cleaning Guide
- Unplug and disassemble: Unplug the unit and remove the reservoir, flosser tip, and any detachable parts. Rinse the reservoir and tip under warm running water. Check the reservoir for any visible mineral deposits before reassembling.
- Wipe the exterior: Use a soft cloth dampened with water or mild soap to wipe the outside of the unit. Do not submerge the base in water. Avoid getting water into the control panel or power button area.
- Descale with vinegar solution: Fill the reservoir with a mixture of 2 tablespoons of white vinegar and 16 ounces of warm water. Place the reservoir back and point the tip into a sink. Turn on the unit and run the solution through until the reservoir is empty. If you have hard water, repeat this step monthly to prevent mineral buildup.
- Rinse with clean water: Fill the reservoir with plain warm water and run it through the unit to flush out any remaining vinegar solution. Run the unit until the reservoir is empty to ensure no vinegar taste remains.
- Clean the tip and reservoir: Soak the flosser tip in vinegar or a 50/50 water-vinegar solution for a few minutes, then rinse. Wipe the reservoir with a soft cloth and let all parts air dry completely before reassembling. Replace the tip every 3-6 months for optimal performance.
- Reassemble and store properly: Once all parts are dry, reattach the reservoir and tip. Store the unit upright in a dry area away from direct sunlight. Keep the unit unplugged when not in use to avoid any electrical issues.
Product Fact
- Classic Blue Aquarius Water Flosser – Blue (WP-663): The Aquarius water flosser is clinically proven up to 50% more effective for improving gum health vs. string floss. Regular cleaning ensures the flosser maintains its pressure and effectiveness, so you continue to get the gum health benefits it's known for.
Classic Blue Aquarius Water Flosser – Blue (WP-663)
