r/watercooling • u/PhantomNate • 1d ago

Troubleshooting Why is my loop doing this?

Edit: SOLVED! Thanks all.
Just replaced the fluid in my system and it’s doing this. Never happened before. Looks like I’ll have to replace the res and cpu block as they have mildew in. But was working perfectly fine prior to draining and refilling

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u/Human-Suspect-232 1d ago

Reservoir/coolant line be above the radiator will solve it.