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Bubbles in my EK Spin Resevoir

post #1 of 17
Thread Starter 
Hello OCN!

I've been watercooling for about a month now.

So far, I love it!

It's been really easy and my temps have been good (AFAIK).

The only thing i'm concerned about is that my EK SPIN resevoir has microbubbles in it! It always starts off really clear, then by about 5 mins of running, the resevoir has microbubbles circulating through it.

By mistake I bought the MCP655-B pump which does not come with speed control so I assume the pump is shooting the water into the resevoir too quickly, thus creating bubbles.

Does anyone know anything about how to fix this or why it would happen? Would it be possible to use maybe one of the bottom 1/4 threaded holes as the resevoir in?

Thanks.
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post #2 of 17
When I fill my loop, it always has small bubbles in my "tube" style Res. They will go away after a while, but a month is too long. Is your pump sucking in air bubbles, or sound kinda loud?? If so then thats why you have reoccurring bubbles.

You also may have a small leak at the inlet of the pump, allowing it to suck in air.

What is your loop order??
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post #3 of 17
Thread Starter 
My pump was loud at first, but now it's actually really quiet. My theory is that the SPIN resevoir makes the air bubbles because the water is actually getting shot in really fast, then there isn't enough time for the bubbles to flow to the top before they're circulated back through.

I'm actually buying an EKWB 5870 full cover in about two weeks so i'll refit/tighten all the ports.

My loop order is Reservoir->Pump->Radiator->CPU Block->Reservoir.
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post #4 of 17
Loop order sounds good. I am not familiar with the SPIN reservoir. Are the inlet and outlet right next to each other?? If so then the air bubbles coming out of the loop could be getting sucked back into the pump before they can rise. Just like you said.

My Liquid Fusion reservoir is the same way, with inlet/outlet ports on the bottom and close together, with a fillport at top. My pump on full speed, MCP655-B Vario, would do that.

I since changed my loop order, and now I am using my Reservoir upside-down. With inlet and fillport up top, and outlet on bottom. Now air says up high, with no chance of getting close to the outlet.

Maybe the EK block will add enough restriction to slow the water enough that it wont recycle air bubbles. Doubtful though.
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post #5 of 17
Thread Starter 




So that's the reservoir. Looking straight on, the rightmost hole is my outlet, while the leftmost(waterfall) is the inlet. If you look at the front side view, the water comes up that little hole in the bottom left, through the flow indicator and out the slightly smaller cut plastic ledge that acts as a waterfall.

I also have the MCP655-B without a speed adjustment and I think the pump actually moves the water too fast for the air to get out.

Do you think that if I moved the inlet tube to one of the ports not connected to the waterfall, my bubbles would stop?

Thanks.

PS: Those with an EK spin feel free to input on this, i'd sure appreciate it.
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post #6 of 17
Quote:
Originally Posted by Pwnedbynim View Post

So that's the reservoir. Looking straight on, the rightmost hole is my outlet, while the leftmost(waterfall) is the inlet. If you look at the front side view, the water comes up that little hole in the bottom left, through the flow indicator and out the slightly smaller cut plastic ledge that acts as a waterfall.

I also have the MCP655-B without a speed adjustment and I think the pump actually moves the water too fast for the air to get out.

Do you think that if I moved the inlet tube to one of the ports not connected to the waterfall, my bubbles would stop?

Thanks.

PS: Those with an EK spin feel free to input on this, i'd sure appreciate it.
I Don't have the EK spin, but I was looking into it, and I believe either on this forum or one of the other tech forums I look around people have said the waterfall creates some bubbles which are close to impossible to get out (since the waterfall keeps on creating them)

Making the pump go slower could possibly fix it, but I believe that the persons that had the issue just filled it to the top, although doing so defeats the purpose of the waterfall, but it solves the bubbles issue (no waterfall = no bubbles)

If someone with the EK spin could chime in and correct me/confirm this, that would be wonderful; otherwise I hope this helps

Edit: Or just don't use the waterfall and maybe use the 3 "outputs" as 1 input and 1 output and plug the "input" that uses the waterfall
post #7 of 17
OH, for some reason I though the SPIN reservoir was a tube reservoir.

Now it makes a lot of sense, like alienman said, the waterfall is probably the problem. Personally I would just fill it up all the way. I dont wanna hear water running, but I would like to see it running.
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post #8 of 17
I have the XSPC for the D5 and am having bubble issues as well, but I'll probably wait a day to see if they go away.
post #9 of 17
Yep, if the res isn't filled to the top, the waterfall is what's causing the bubbles. I say fill up all the way, and use the wheel as a flow indicator, minus any air bubble causing waterfall.
post #10 of 17
Alternatively, there's a way to run the D5 pump at 7v without mangling the molex connector, isn't there? That could at least test your theory of too much flowrate.
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