➀ Ignite the incense, please do not immediately extinguish the flame, and let it burn slightly for 4-6 seconds util the incense is burning sufficient. ② After that, extinguish the flame and put it into the backflow incense holder. ③ No smoke will flow from the bottom initially. After about one or two minutes, the smoke change direction and flow out slowly from below. ④ Smoke contains particles that are heavier than air. As long as there is no wind in the room, at the same time, the hot air rising from the periphery of the combustion heating is isolated, and the hot air is not allowed to rise with the smoke, and the smoke will sink.
There are no reviews for this product yet. Please write a review here.