Weed you know water is heaveir than air
i build my loops is self bleeding and for Res at top of the loop not rad
corsair knows how to make repeat bussieness for the manual is pure BS on fluid heat transfer, note top rad mount with hoses facing down has no air escaping and the rad becomes a big air pocket, you know when it not cool as it use to thats what happened.
current just cpu for no water block for 2080Ti extreme gpu. cover off for the pic 3x120 fan in front of case
old set-up parrelle gpu 2 sli, cpu, chipset with rad mounted outside of case and had a fill port on rad tank top.
me i know nothing about water cooling LoL