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Please Help!! Flow rate to high?

post #1 of 7
Thread Starter 
Please forgive me if there is a duplicate subject on this manner-my pc is currently all apart as im trying to bleed my loop of air and this netbook is extremely slow.

So i origonally went under water abotu 2 years ago to cool 2gtx 470s, long story short i got some defective ek blocks and decided to sell the 470s and only keep the cpu under water.

The other week i got a sweet deal on some parts and decided to upgrade my wateock since i was going to have everything apart anyways.

I upgraded from my xspc rasa to an xspc raystorm which dramatically upped my flow rate... to much i believe.

I have a cheapo single bay reservoir and I used to be able to have the water level drop about 3/4 cm from the top with otu any problem. It seems though that the flow rate now is so high that any minuscule amount of air in there gets pushed back into the loop.

Right now i was able to stop that by tipping the case and arduously getting aas much of the air bubble in the res near the fill hole and carefully adding water.

This doesnt really seem like a compelte solution as loops lose water over time as we know. I dont think a double bay reservoir would fit in this case(in sig) as there are metal fins tracks that divide the space, unless of course the double reservoir bays have nothces in them for the tracks.

I am wondering what you guys think of this. I never thought that a high flow rate could lead to problems.

tl;dr - upped flow rate from xspc rasa -. raystorm, reservoir now feeds what little air left in it back into loop. soln = bigger reservoir? has anyone heard of the phenomenon before?
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post #2 of 7
It can happen... What kind of pump are you running? And I guess you don't want to use an internal reservoir?
post #3 of 7
I also have a cheap 1 bay reservoir since all my other bay were full and I'm running with 2 pumps so the flow rate is most likely pretty high and I had the same problem as you.

The only solution is to fill the reservoir until there's barely any air left in it. I managed that by filling it from where the intake tube was supposed to be(I plugged the intake in the middle hole since I anticipated the problem).

It hasn't been running for long, but since the reservoir is closed, I don't expect the loop to lose water unless it starts leaking.
Edited by SamKook - 3/2/12 at 4:54pm
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post #4 of 7
I hate bay reservoirs. Im using a Bitspower POM bay res. WHat I did to fix that same issue was insert a barb at the top of the reservoir where the stop fitting would usually go. Insert a tube (about 5 or 6cm long) and then attach a stop fitting at the top of the tube. Now fill the loop, close the tube, and shake the reservoir. Keep doing this several times until the reservoir is almost full of liquid. This should eliminate the problem.
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post #5 of 7
Thread Starter 
Well got everything running thus far and it all seems to be good to go. Max temp in p95 with everything at stock was 43c with 24c room temp.
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post #6 of 7
Quote:
Originally Posted by Bilco View Post

Well got everything running thus far and it all seems to be good to go. Max temp in p95 with everything at stock was 43c with 24c room temp.

How did you fix the problem? Just filled it all the way up? biggrin.gif

Nice temps thumb.gif
post #7 of 7
Thread Starter 
Yea pretty much filled it to the brim... and I also realized that I had the in and out reversed. The out has an inverted U shaped lip at the top of the "out" to prevent exactly what I was experiencing.

I must have Accidentally reversed it back when I was dealing with my faulty EK waterblocks. I had to rip everything apart and soak everything in vinegar water to get the corroded buildup out.
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