[header] How to make homemade febreze spray [title] Boil the water. [step] Measure the water into a saucepan. Bring the water to a boil over medium-high heat. 
When the water is at a rolling boil, turn off the heat and remove the pan from the hot element. It's important to dissolve the other ingredients in boiling water first, otherwise your air freshener may leave a residue around the house.