flushing gpu block?

[buzzlightweight]

ok just bought an ek 5870 gpu block, do i need to flush it like the rads?

 

[rjk]

no

 

[buzzlightweight]

no

thanks bud, this block wil go with the ek kit i have on order with you

 

[DirectOverkill]

You don't need to do anything.
Although if you rinse it a bit with distilled first it will not hurt.