The Corsair icue Commander PRO Smart RGB Lighting and Fan Speed Controller is a versatile component designed to oversee and regulate RGB lighting and fan speeds within your PC setup, contributing significantly to system performance and aesthetics. While it doesn't interface directly with coolants, its role in maintaining optimal functionality and visual appeal is crucial. For those seeking compatible coolant options for their PC cooling system, here's a curated selection of brands and models you provided: Aquacomputer,Coolaboratory, EK, Jingway, Liquid.Cool, Mayhems (including Double Protect Ultra, Liquid Coolant Pro, Cryofuel, and more), Nanoxia (offering Cooling Fluid Pro and Cooling Fluid Pro Opaque), Primochill (featuring TRUE), Thermaltake (with C1000), and XSPC (providing EC6 and ECX). These coolants span transparent, opaque, and pastel color variations, catering to diverse aesthetic preferences and cooling requirements. Remember to verify compatibility with your PC cooling system and adhere to manufacturer instructions for proper application and upkeep.