Maintenance & Troubleshooting
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Copper, Nickel, Brass and Aluminum: The Mixed-Metal Check Before You Fill
Quick AnswerList the materials that actually touch coolant. Copper, brass and nickel-plated copper are commonly used together in PC loops; aluminum belongs in an all-aluminum ecosystem unless the manu...
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First Fill, First Leak Test: A Calm Checklist for a New Custom Loop
Quick AnswerCheck every port and fitting before testing. Use an air tester only within component limits, or isolate the pump and hardware during a liquid test. Never let the pump run dry, and inspect ...
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Control the Fans From Coolant Temperature, Not Every CPU Spike
Quick AnswerCPU package temperature can change in seconds while coolant moves more slowly. A coolant sensor gives radiator fans a steadier control signal. Set conservative limits from component rating...
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RTX 5090 Hotspot Too High After Water Blocking? Diagnose Contact Before Buying More Radiators
Quick AnswerA high RTX 5090 hotspot is not automatically a radiator problem. Compare ambient, coolant, core, hotspot and memory temperatures, then inspect mounting pressure, paste spread and thermal-p...
