When I do a new build and after leak testing AND moving the case around to try and release air pockets from the rads, etc., I run at high speed for 48-72 hours min to get rid of the bubbles.
Take your time and don't panic.
You'll be fine. Relax and play some video games.
And if you need extra cooling capacity let me know. I have an unused MO-RA3-420 Pro rad that could be run!
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