In most cases, the problem is immediately visible when the box is opened, but sometimes it can manifest over time. Details on how to get a replacement can be found at the Corsair forum.
1. We discovered that less than 1% of Hydro Series H100i RGB PLATINUM SE coolers sold to date are leaking small amounts of coolant into the hose sleeving. These leaks are easy to spot, as the sleeving is white, and coolant is bright green.
2. While this problem should be immediately visible when the box is opened, it can, in some cases, manifest over time.
3. Only a select lot code of affected units has been sold, lot code 1852. You can identify your cooler’s lot code by referring to its packaging, or the serial number sticker on the cooler’s radiator