Heatpipe cooler liquid?

[str]

What liquid would be in the Arctic Freezer 64 Pro? Mine has 3 caps missing from the top of the heatpipes!

It's water?

Only reason I noticed is my system shut down and wouldn't boot so when I checked there was liquid on the motherboard near the CPU socket and I figured it must have come from the Freezer 64.

 

[str]

/me updates sig with custom water cooled setup.

 

[str]

After the leak the motherboard sort of still works. Only noticable problem so far is the Vcore on my Sempron defaults at 1.1v instead of 1.4v. I'm not sure how the leak could cause that but it's damn annoying. I'm replacing it soon though so not so much of a problem anymore.