Introduction
Thank you for choosing the H2ofloss HF-6 Portable Water Dental Flosser. This device is designed to provide effective and gentle cleaning for improved gum health and overall oral hygiene. With its advanced features and portable design, it offers a convenient solution for daily flossing at home or while traveling. Please read this manual thoroughly before use to ensure proper operation and maintenance.
Package Contents
Your H2ofloss HF-6 Water Dental Flosser package includes the following items:
- 1 x H2ofloss HF-6 Water Dental Flosser Unit
- 6 x Interchangeable Jet Tips (2 Standard, 1 Orthodontic, 1 Dental Plaque, 1 Tongue Cleaner, 1 Toothbrush)
- 1 x USB Charging Cable
- 1 x Wall Adapter
- 1 x Travel Bag
- 1 x Cleaning Brush
- Cleaning Tablets (2-month supply)
- 1 x Instruction Manual

Figure 1: H2ofloss HF-6 Water Dental Flosser components diagram.
Setup
Before first use, please follow these steps:
- Charge the Device: Ensure the device is fully charged before initial use. Refer to the 'Charging' section for detailed instructions.
- Attach a Tip: Select the desired jet tip and insert it into the opening at the top of the flosser handle until it clicks into place.
- Fill the Water Tank: Open the water tank lid located at the bottom of the device. Fill the 300ml detachable water tank with lukewarm water. Close the lid securely.

Figure 2: Step-by-step guide for initial setup and use.
Charging
The H2ofloss HF-6 features a powerful 2500mAh lithium battery, providing up to 30 days of use on a single charge. To charge the device:
- Locate the charging port on the device (refer to Figure 1).
- Connect the provided USB charging cable to the port and plug the other end into the wall adapter.
- Plug the wall adapter into a power outlet. The indicator lights will show the charging status.
- A full charge typically takes approximately 5 hours.

Figure 3: The H2ofloss HF-6 offers extended battery life.
Operating Instructions
Follow these steps for effective water flossing:
- Power On: Press and hold the power button for 3 seconds to turn on the device.
- Select Mode: Press the 'Mode' button to cycle through the 5 available pressure settings (Strong High, High, Medium, Soft, Low). Choose the mode that suits your comfort and cleaning needs.
- Position the Nozzle: Lean over a sink and place the jet tip into your mouth, aiming it at your gumline at a 90-degree angle.
- Begin Flossing: Press the 'On/Off' button to start the water flow. Guide the water stream along your gumline and between your teeth.
- Continue Cleaning: Move the nozzle slowly, pausing briefly between teeth, allowing the water to clean thoroughly.
- Power Off: Press the 'On/Off' button again to stop the water flow and turn off the device.
Video 1: A user demonstrates the basic operation and power settings of the H2ofloss water flosser, showing how to fill the reservoir and cycle through modes.
Modes and Tips
The H2ofloss HF-6 offers 5 water pressure settings and 6 specialized jet tips to cater to various oral care needs:
Water Pressure Settings:
- Strong High (110 psi): For deep cleaning and effective stain removal.
- High (95 psi): Ideal for daily use, removing 99% of food plaque.
- Medium (80 psi): Provides gum massage and stimulation.
- Soft (40 psi): Gentle cleaning for sensitive areas.
- Low (20 psi): Perfect for sensitive gums and beginners.
Interchangeable Jet Tips:
- 2 Standard Tips: For general cleaning and removing 99% of food residue.
- Orthodontic Tip: Designed for cleaning around braces, bridges, and other dental work.
- Dental Plaque Tip: Effectively massages gums and deeply cleans the gumline.
- Tongue Cleaner: Helps clean the tongue and maintain overall oral cavity cleanliness.
- Toothbrush Tip: For simultaneous brushing and water flossing.

Figure 4: Overview of the 6 multifunction nozzles and their applications.
Video 2: A detailed review showcasing the 6 replaceable tips and 5 modes of the H2ofloss water flosser, highlighting their benefits for superior oral care.
Maintenance and Cleaning
Regular cleaning ensures optimal performance and hygiene of your water flosser:
- Empty and Rinse Tank: After each use, empty any remaining water from the tank and rinse it thoroughly with clean water.
- Detach and Clean Tank: The water tank is detachable for easy cleaning. Remove it from the main unit and clean it with the provided cleaning brush.
- Use Cleaning Tablets: For a deeper clean, fill the water tank with water, add one cleaning tablet, and allow it to soak for 30 minutes. Then, use the cleaning brush to scrub the inside before rinsing thoroughly.
- Clean Tips: Remove the jet tip from the handle and rinse it under running water. Store tips in the provided case.
- Wipe Down Unit: Wipe the exterior of the main unit with a soft, damp cloth.
- Air Dry: Allow all components to air dry completely before reassembling or storing.

Figure 5: Instructions for easy cleaning of the water tank.
Troubleshooting
If you encounter any issues with your H2ofloss HF-6 Water Dental Flosser, please refer to the following common solutions:
- No Power: Ensure the device is fully charged. If the battery indicator shows low charge, plug it in and allow it to charge completely.
- Weak Water Pressure: Check if the water tank is sufficiently filled. Ensure the jet tip is securely attached and not clogged. Clean the tank and tip as per maintenance instructions.
- Water Leakage: Verify that the water tank lid is closed tightly and the jet tip is correctly inserted and locked into place.
- Device Not Turning On: Press and hold the power button for 3 seconds. If it still doesn't turn on, ensure it's charged.
If the problem persists, please contact H2ofloss customer support for assistance.
Specifications
| Model Number | HF-6 |
| Dimensions | 3.15 x 2.36 x 8.66 inches |
| Weight | 13.4 ounces |
| Water Tank Capacity | 300ml |
| Battery | 2500mAh Lithium Battery |
| Battery Life | Up to 30 days on a single charge |
| Waterproof Rating | IPX7 |
| Pulsations per Minute | 1300 |
| Pressure Range | 20-110 psi (5 modes) |
Safety Information
- Keep this device out of reach of children.
- Do not immerse the main unit in water beyond its IPX7 rating.
- Ensure the charging port cover is securely closed when not charging to maintain water resistance.
- Do not use if the device or charging cable appears damaged.
- Consult your dentist before using if you have severe gum disease or have recently undergone oral surgery.
Warranty and Support
The H2ofloss HF-6 Water Dental Flosser is backed by 24 months of after-sales service. For any questions, concerns, or support needs, please contact H2ofloss customer service. We offer 24-hour email support to ensure your satisfaction.
For further assistance, please visit the official H2ofloss store: H2ofloss Store





