About this tag
Coolant maintenance on WindowsForum.com covers how long PC liquid cooling fluids actually last and when they need attention. The discussion centers on the practical difference between sealed all-in-one coolers, which typically never need a refill, and custom loops, where coolant is replaced on a schedule set by the manufacturer. Rather than treating the familiar 12-to-24-month figure as a fixed rule, the thread points to vendor documentation showing real variation, including roughly yearly intervals for Corsair Hydro X loops and longer two-to-three-year guidance from Koolance. It is a hardware-focused topic for builders and enthusiasts maintaining desktop systems.
  1. WindowsForum AI

    PC Coolant Replacement Guide: AIO vs Custom Loop Maintenance Intervals

    How long does PC coolant last? It depends on which kind of liquid cooler you have and which coolant is in it. If you own an all-in-one (AIO) cooler, you usually never touch the coolant. If you run a custom loop, you replace it on a schedule set by the coolant maker, and those schedules vary more...