Something Is Living in My Pool-Cooled Gaming PC

Linus and the team tried using a swimming pool to chill a bank of gaming PCs—corrosion was handled, but now a funky smell and mysterious bio-growth have taken hold of the cooling loops.

They rip apart the LAN Center rigs to identify the culprit and deploy everything from DIY sterilizers to the ominous “Death Ray,” running test after test to see if they can finally banish whatever’s thriving in their pool-cooled setup.

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