You absolutely do not have to turn your pilot light off. All you have to do is set one up at least 6′ away from the heat source per the instructions on the can. It takes approximately 30-40 seconds for the fogger to expel the chemical and thats it.Click to see full answer. Herein, do you have to turn off refrigerator for flea bomb? 10 Flea Fogger Safety Warnings! Importantly, flea bombs must not be used on your pets and can cause sickness or death if they are exposed to the fumes! Electrical appliances (and lights) need to be turned off and covered as foggers are usually highly flammable!Furthermore, do I need to wash my clothes after a flea bomb? Well, the answer to these famous question is a definite yes! You have to wash all the clothes which the vapor or gas of the flea bomb into contact with during the course of spraying. Also to know is, do you have to unplug fridge when fogging House? You want to unplug The refrigerator shouldn’t be an issue. And, generally, the issue is more one of what has a flame going, could start a flame going, arcs electrically, could turn on and do so, etc. Typically foggers create a mist that leaves residue behind, so anywhere that air can go, they can go.How do you prepare for a flea bomb?Open all doors to infested rooms so the chemicals from the flea bomb can kill the fleas. Open cabinet doors and drawers to kill fleas inside furniture. Remove eating utensils, food, small appliances, and crockery. Remove such items from open cabinet doors or drawers to keep them away from the spray.