That’s why nearly all hot ends have some sort of fan cooling. However, lately we have seen announcements and crowd-funding campaigns that make it look like water cooling will be more popular ...

Water cooling systems appeal to people who push the envelope and build personal computers with the fastest chips, because water cooling is very efficient. They also eliminate large, noisy fans.

It has been around four years since I ceased creating and maintaining open-loop liquid cooling solutions for my systems. Gone are the days when I had bottles of coolant ready for system flushes ...