Heatsink Problem

dan394

dan394

dan394

Associate
Joined
16 Oct 2011
Posts
44
Location
Leeds
Hi, I've just been cleaning out my rig and noticed that the end of the heatsink looked strange - I know that the pipe ends aren't all supposed to be copper but the ends look corroded, so to speak - see the pics below?

Is this normal or is something wrong? It's only been in a few months...

http://i.imgur.com/VzDdx.jpg
http://i.imgur.com/vyQ3D.jpg
http://i.imgur.com/6unuq.jpg


Thanks and apologies for the poor quality photos
 
Yes, normal. The flux used to "tin" the end so solder sticks oxides the tube end / solder over time. Could mix a little baking soda in a little water and dampen a rag with it to wipe clean the ends of the tubes if you want.
 
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