Cleaning Copper blocks (water)

feriso

feriso

feriso

Soldato
Joined
30 Dec 2004
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2,869
Location
Stoke-on-Trent
Right I've got a water cooling loop I've been leak testing and I've noticed that the inner surface of my CPU block has got a touch of black on it (copper oxide no doubt), is there any easy way of removing this without removing the top and cleaning with wire wool. (soak in citric acid?)
 
I was going to try lemon juice; but i suppose vinegar is similar.

Thanks guys, I'm off to get scrubbing later.
 
Coke might be easier - could I drop the whole lot in coke - including the top of the block (which is perspex I think).

(p.s. I thought fizzy drinks had carboxylic acid in them due to the dissolved C02 ?)
 
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