Have you ever walked around in some residential homes or commercial buildings and LOOKED UP to notice that the Fire Sprinklers have a colored liquid in it? As it turns out, the color of the heat sensitive liquid in the glass bulb has a purpose. #firesprinklers#funfacts#homesafety#firesafety#homeowner#homeownership#newengland#massachusetts#newhampshire#maine#realestate#realestateadvice