Quick answer

Use 1-2 full tanks of fog fluid per typical photo session; refill when the mist visibly thins or the unit sputters. The Kenro Smart Lite Fog Machine holds 60ml per tank, and the Twin Pack gives you two refills.

Why fluid amount matters for your fog machine

Using too little fog fluid produces weak, patchy haze that doesn't catch light properly. Overfilling (beyond the tank line) can cause leaking or sputtering, especially in handheld units. The Kenro KSLF101 has a visible tank window so you can see the level at a glance.

The fluid itself is a VG/PG blend designed to create fine, film-quality haze without leaving residue on your gear. Because it's water-soluble, cleanup is simple if you do spill.

When to refill during a shoot

A single 60ml tank typically lasts 5-10 minutes of continuous output, depending on how long you hold the trigger. For most still photography setups, that covers 15-30 bursts of 2-3 seconds each. Refill when the mist becomes wispy or the unit starts making a gurgling sound.

Always let the machine cool for 30 seconds between bursts. This prevents overheating and helps the fluid vaporize properly, giving you consistent density shot after shot.

How to refill your fog machine the right way

  1. Check the current fluid level: Look at the tank window on the Kenro KSLF101. If the fluid is below the minimum line or you see air bubbles in the intake tube, it's time to refill. Common mistake: refilling when the tank is still half full wastes fluid and can cause overflow when the machine is tilted.
  2. Turn off and cool the unit: Power down the fog machine and let it sit for at least 2 minutes. The heating element needs to cool so the new fluid doesn't flash-boil and sputter. Skipping the cool-down can produce uneven mist and may damage the internal pump over time.
  3. Open the fill cap and pour slowly: Unscrew the fill cap on the top of the tank. Pour the fog fluid in a steady stream, stopping when the fluid reaches the full line (about 60ml). Avoid overfilling. If you overfill, wipe the excess with a cloth before closing the cap. Leaks can damage clothing or camera bags.
  4. Secure the cap and test: Tighten the fill cap fully, then hold the machine upright and press the trigger for 1-2 seconds away from your subject. Confirm a steady, fine mist appears. If the mist is weak or the unit gurgles, the fluid may not have reached the pump. Gently tilt the machine side to side and try again.

Product facts

  • Fog Machine Fluid Twin Pack: The Kenro Smart Lite Fog Machine Fluid Refill Pack contains two 60ml bottles of high-quality, VG/PG-based smoke liquid designed specifically for the Kenro KSLF101 Handheld Fog Machine. Each 60ml bottle fills one full tank, so the Twin Pack gives you exactly two complete refills—enough for a typical portrait or product shoot without running out mid-session.

    Fog Machine Fluid Twin Pack

    Fog Machine Fluid Twin Pack