• Unbox the diffuser
  Remove the diffuser, power cable, and any included accessories from the packaging.

• Place it on a flat, stable surface
  Keep it away from direct sunlight, vents, or heat sources for best performance.

• Remove the top cover
  Lift or twist the lid (depending on the model) to access the water tank.

• Fill the water tank

  • Use clean, room-temperature water.

  • Fill only up to the MAX line inside the reservoir.

• Add essential oils (optional)
  Add 3–5 drops of your preferred essential oil into the water.
  (More drops for larger rooms.)

• Reattach the cover
  Place the lid back on securely.

• Plug in the diffuser
  Connect the power cable to the diffuser and then to a wall outlet or USB power source (model-dependent).

• Turn it on
  Press the Mist or Power button.
  Some models offer:

  • Continuous mist

  • Intermittent mist

  • Timer settings

• Adjust the light (if applicable)
  Press the Light button to choose your preferred LED color or brightness.

• Enjoy the aromatherapy!
  Sit back and enjoy cleaner air, moisture, or fragrance depending on your oil choice.

Safe & Recommended Essential Oils

You can use any 100% pure essential oil designed for aromatherapy. Popular options include:

• Lavender – calming, great for sleep

• Peppermint – energizing, refreshing

• Eucalyptus – helpful for fresh, clean air

• Lemon / Orange / Citrus oils – bright and uplifting

• Tea Tree – clean, herbal scent

• Rosemary – improves focus

• Chamomile – soothing and relaxing

These oils blend well with water and work perfectly in ultrasonic diffusers like Puffi.

⚠️ Oils to Avoid or Use with Caution

Some oils are too thick or strong for diffusing:

• Carrier oils (coconut, almond, jojoba) — never use, they can clog the diffuser

• Heavy or resinous oils (sandalwood, patchouli, vetiver) — may reduce mist output

• Very strong spicy oils (clove, cinnamon, oregano, thyme) — can irritate the nose/throat

• Synthetic fragrance oils — not recommended; can damage the diffuser or affect air quality

How to Fill It Correctly

1. Remove the top cover.

2. Pour in clean, room-temperature water.

3. Stop when you reach the MAX marking inside the tank — do not overfill.

4. Add 3–5 drops of essential oil (optional).

5. Replace the lid and turn it on.

⚠️ Why You Should Not Overfill

Overfilling can cause:

• Weak or no mist output

• Water leakage

• Shortened diffuser lifespan

Typical Run Time

Most Puffi-style diffusers run for:

• 4–6 hours on continuous mist

• 6–10 hours on intermittent mist (mist on/off cycles)

If your diffuser has a larger tank (150–200 ml), it may run closer to the higher end of these ranges.

🎯 What Affects Run Time

• Mist level (high mist = shorter runtime)

• Room temperature/humidity

• Oil concentration (heavier oils slightly reduce runtime)

How automatic shut-off works

• In many ultrasonic diffusers, there’s a water-level sensor that detects when the water tank becomes empty — the device then shuts off automatically so it doesn’t run dry.

• This prevents damage to the diffuser’s internal components and reduces fire or overheating risk.

Regular Cleaning (recommended after every 3–5 uses)

1. Unplug the diffuser
   Always disconnect it from power before cleaning.

2. Empty the water tank
   Pour out any remaining water from the side opposite the air vent to avoid damaging internal parts.

3. Wipe the inside
   Use a soft cloth or cotton pad to wipe the inside of the reservoir.

4. Clean the ultrasonic plate

   • Use a cotton swab dipped in a little rubbing alcohol (or warm water).

   • Gently clean the small metal disc at the bottom — this is what creates the mist.

   • Wipe it dry.

🔄 Deep Cleaning (once per week or if mist is weak)

1. Fill the tank halfway with clean warm water.

2. Add 1 teaspoon of white vinegar.

3. Let it run for 5–10 minutes.
   → This loosens oil residue and mineral deposits.

4. Turn it off, unplug it, and empty the tank.

5. Use a soft cloth to wipe everything dry.

Do NOT submerge the diffuser in water.

🚫 What NOT to Do

• Don’t use harsh chemicals, bleach, or abrasives.

• Don’t scrub the ultrasonic plate too hard.

• Don’t leave water sitting in the tank for long periods.

• Don’t use thick oils (like carrier oils) — they cause buildup.

When overnight use can be okay

• If your diffuser is an ultrasonic type (i.e. it disperses a cool water‑based mist) and it has a timer or automatic shut‑off — then it can be relatively safe for nighttime use.

• Using a mild, calming essential oil (like lavender or chamomile) — rather than stimulating or strong oils — helps create a relaxing environment for sleep without overstimulation.

• Diffusing for a limited time period (e.g. 30–60 minutes before bed, or a few hours after bedtime) — rather than continuously all night — reduces risk of overexposure or “oil fatigue.”

So if you set it to run for a short duration with a gentle oil and ensure your room has some ventilation, using it around bedtime is usually fine.

My recommendation for using Puffi while sleeping

If I were you and using a Puffi diffuser at night, I’d do something like this:

• Use a gentle oil (e.g. lavender, chamomile)

• Add only a few drops of oil to water

• Run it for 30–60 minutes before sleep, or set a timer for 1–2 hours max

• Make sure the room is ventilated (window slightly open or door ajar) — don’t seal the room entirely

• Keep the diffuser some distance away from the bed — don’t place it right next to your pillow

1. Water Level Issues

• Problem: Too little water or water below the MIN line.

• Fix: Fill the tank up to the MAX line with clean, room-temperature water. Never overfill.

✅ 2. Improper Placement

• Problem: Diffuser is tilted or placed on an uneven surface.

• Fix: Place the diffuser on a flat, stable surface. Make sure the water level sensor is at the correct angle.

✅ 3. Ultrasonic Plate / Disc Needs Cleaning

• Problem: Mineral deposits or oil residue on the metal ultrasonic plate can prevent mist.

• Fix:

  1. Unplug the diffuser.

  2. Use a cotton swab dipped in rubbing alcohol to gently clean the disc at the bottom.

  3. Rinse lightly and wipe dry.

✅ 4. Oil Issues

• Problem: Using thick oils (like carrier oils) can clog the mechanism.

• Fix: Only use pure essential oils (3–5 drops per 100 ml water). Avoid perfume oils or thick carrier oils.

✅ 5. Air Outlet Blockage

• Problem: Dust or oil buildup in the mist outlet can block mist flow.

• Fix: Wipe the mist nozzle and surrounding area with a soft, dry cloth.

✅ 6. Power or Button Issues

• Problem: The diffuser isn’t properly connected or the button is stuck.

• Fix:

  1. Make sure the power cable is fully connected.

  2. Try pressing the mist/power button firmly or reset the unit (unplug → wait 30 seconds → plug in).

✅ 7. Water Temperature

• Problem: Water too hot or too cold can reduce mist output in ultrasonic diffusers.

• Fix: Use room-temperature water for best performance.

✅ 8. Diffuser Malfunction

• Problem: If none of the above fixes work, the ultrasonic plate or internal components may be damaged.

• Fix: Contact Puffi customer support for repair or replacement.

What’s common for diffusers like Puffi

• Many ultrasonic diffusers let you choose between mist‑output modes, typically something like continuous mist or intermittent mist (on/off cycles) — giving you control over how strong the scent and humidity output are.

• It’s also common for diffusers to include LED lights or mood lighting, and these lights often can be adjusted: changing color, brightness, or turning off entirely. 

⚠️ What to check for your specific unit

• Look at the diffuser’s buttons or control panel — if it has a “MIST” (or “Mist/Light”) button and a “LIGHT” (or “LED”) button, it probably supports adjustable mist and light modes. Many diffusers use these exact labels. 

• The manual — many diffusers with adjustable settings show a chart like “MIST: high / low / intermittent” and “LIGHT: multiple colors / dim / off.” 

• If yours is a simpler budget model or older unit, it might only have a single mist mode and a fixed light (or none). Then you’d have less flexibility.