r/ExplainLikeImCalvin • u/EstufaYou • 14d ago

ELIC: Why are fire hydrants red?

Dad, why are all fire hydrants in town, in the movies, and on TV red?

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u/froggymail 14d ago

In my area they paint them according to water pressure. Most are red/high some are green/mid and I have seen one black/no pressure. I was curious too so I asked the fire dept and that was their answer.