My waterblock is in sad shape due to corrosion... I was testing the system initially but testing turned into three months of usage so proper fluids were never used.
Thankfully Tarn-X and a toothbrush came to my aid.
Here is the potential 'Well of Wishes', I'm concerned it may be too thin but we shall see...
More detail on the radiator bracket (someone in another thread requested a pic of this)
~Kris