I'm building a new PC, still waiting for all of the parts to arrive
I bought the AIO cooler that I actually want
but I'm also getting sent another (weaker) AIO cooler for free because I bought some other part

if I already have the first AIO cooling my CPU, is there any way to use that second AIO to help cool shit down?
or should I just sell it?

(please do not underestimate my stupidity or my lack of experience)