Why Does Fire Sprinkler Water Smell?

Why Does Fire Sprinkler Water Smell? Slime-forming bacteria (iron-related bacteria that generate white, beige, grey, or black slime) Sulfate-reducing bacteria (which may turn water black and are responsible for much of discolored water’s smell in fire protection systems) What does fire sprinkler water smell like? There are many signs of Microbiologically Influences Corrosion (MIC) including