Upfacting on Instagram: "Ever seen firefighters open a hydrant and release brown or rusty water? That’s called hydrant flushing — a routine maintenance process done by fire departments or water utilities. It clears out rust, mineral deposits, and sediment that build up inside water mains over time. Flushing helps maintain water quality and pressure, ensuring that when firefighters need the hydrant during an emergency, clean water flows out quickly and at full strength. It might seem like water i