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Bubbles in my reservoar

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I noticed i have alot of bubbles in my reservoar, almost 50%.
Both in and out is in the bottom, but the return is on the pipe outlet.

 

I have run it for 5-6 days now, i flip id on the side sometimes to get rid of bubbles but nothing happens.

Its really nothing in the loop, but in the res.

Sometimes i hear the bubbles go down in the pump, it changes sound.

 

How to avoid this, and what causes it ?

baaad pic

 

7en.jpg

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What pump are you using?

EK DCP 2.2

Plain destilled water with orange dye from Feser.

It does the same without color, tried now to lower the pump to 7 volts, and it got smaller. I starting to beleive its the turbulence making it.

As soon as i turn it off, all bubbles are gone. Ek pump is not made for 7 volts so i didnt keep it there, maybe time to check out some other pump brand.

Scared i will ruin the pump the few times it sucks down bubbles, happens maybe once a hour.

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That's pretty normal. It won't hurt anything to have an occasional bubble.

-Now if the loop was entirely foam and the pump was going, "MMMRRRRRoowr-whoosh" over and over like a cheap dishwasher, you would have a problem.

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Put a drop of Kodak photoflow in there,it will break down the surface tension and the bubbles will vanish.

Ah, good idea.

Been shaking and tipping it for days now, no change.

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I put that one in favorites.  It's nice when someone already figure out the solutions before we have the problem!  :)

 

Watercooling is my specialty,I have many little tricks and tweaks :ph34r:

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Two weeks later, same deal with the bubbles, so its not air.

 

Getting some surface tension stuff tomorrow. I had PVA alcohol at home, but thats used as release agent in molds, i think that will gunk up the blocks. I use that to break tension when doing molds.
I´ll go with some kind of photoflow or similar chemical as above :)

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Somehow you keep recycling the air trough your pump. Make sure reservoir is full. Slowing pump helps, also additives help too (Feser Base for example). Pure distilled water is hardest to bleed.

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Somehow you keep recycling the air trough your pump. Make sure reservoir is full. Slowing pump helps, also additives help too (Feser Base for example). Pure distilled water is hardest to bleed.

Thanks Daz, i bought a new reservoar this week so i can put in a fill port.

Hope that will help bleeding out the air, my current res. dont have any ports on top so no good option to bleed it.

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