Is there any flow in my loop?

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Orrginal

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Oct 3, 2015
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Hi everyone,
Yesterday I built my first watercooling open loop, it was running nicely and I could see a good flow because I saw bubbles all over the place but now all the bubbles moved to the reservoir and there is not much of an indicator that can tell me that everything is fine and the water moves
Would really like if someone could tell me a way to find out if the pump still works fine I am kind of a paranoid and I need something that will calm me down
 
Solution
rubix_1011
You absolutely DO NOT want bubbles moving around in your loop...air is bad in a watercooling loop because air is a much lower thermal conductor than water, which is what you're trying to cool with inside the loop. Granted, you still have to do that pesky water/radiator/air exchange, but that's left for the radiator and fans to do.

If your temps are fine under load, you are in good shape. Feel the outlet tube from the pump - it should vibrate and be felt fairly easily. Make sure you are checking the outlet and not the inlet - it is too far 'downstream' to likely feel much pulsation from the pump within the tubing.
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rubix_1011

rubix_1011

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Jan 12, 2007
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You absolutely DO NOT want bubbles moving around in your loop...air is bad in a watercooling loop because air is a much lower thermal conductor than water, which is what you're trying to cool with inside the loop. Granted, you still have to do that pesky water/radiator/air exchange, but that's left for the radiator and fans to do.

If your temps are fine under load, you are in good shape. Feel the outlet tube from the pump - it should vibrate and be felt fairly easily. Make sure you are checking the outlet and not the inlet - it is too far 'downstream' to likely feel much pulsation from the pump within the tubing.
 
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