Ambient loop, water temp usually between 25 and 30 degrees.
Hardware:
CPU – 9950X3D direct die
GPU – 5090 Astral with Matrix vbios
RAM – 64GB 6200 CL30
Storage – Enough
Details of the build: https://www.reddit.com/r/watercooling/comments/1rdfzgh/just_another_fish_tank_build_with_a_couple_of/