please check it carefully if there is any leakage at the joint place or the hose . if the gas bottle is not fixed correctly or the hose has some leakage it may cause danger Important:Please put the gas fire pit on the glass top not under the glass ,Do not cover the igniter with lava ,please refer to the picture in the listing, we strongly recommend using 5 kg gas tank, Before using the fire pit ,please check it carefully if there is any leakage at the joint place or the hose , if the gas bottle is not fixed correctly or the hose has some leakage it may cause danger - Fimous Rattan Fire Pit Table Dining Table Gas Heater Burner Patio in Dark Grey