I have my HydroCool200, hooked up to an AMD 2500+ @ 2380 GHz, and I don't like the temps hitting 49*C

I was planning to add the Swiftech MCR80 as seen
here and I'd get the interconnects to change the sizes, and I'd get some more of the Green stuff that comes with the HC2 unit, from
here
Should there be a problem? Should I worry about corrorison?The reason why I ask is because it was brought to my attention of different matierals that are made for the cooling, and the possibility of corrision.
This addition should cost me around $100, a little less if anyone was wondering.