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Up co2 inline diffuser.

fleabilly

Member
Joined
9 Sep 2012
Messages
147
Location
London
I have this running just before the spray bar,(eheim 2213)
And it seems to be sending out large bubbles that just load up in the spray bar and bubble to the surface. Obviously not working. Does anyone have any experience with theses?

Cheers

R

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I cant see anything from mine. Unless I turn the needle right up and it then sends bubbles out, but also so much co2 that it would gas the fish. I do it every now and again to keep the fish on their toes. Nothing quite like a complacent microrasbora.
 
Seems more bubble than mist.
If I turn off the co2 and pull the tube off it always pops from an abundance of pressure.
I broke a plastic bubble counter last week. Well I did not break it, more so it exploded. But now I just dip the tube in a glass of water and check the rate is fine then attach it to the diffuser. Could it be dirty? It is only a month old.


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gu9ypy5e.jpg



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Some bubbles do join together in the pipework, more so I find now I'm using a spray bar with ridges etc. where all the pipework joins together. My lily pipe was a much smoother connection so I got less larger bubbles.
 
Slightly different model to mine but mine goes the other way around. If thats on your inlet, water travelling from bottom to top, my co2 insert is at the top.
Try it, it might work?
 
Flipped it,
Same result.
Originally I tried putting on the intake...
Forcing bubbles through the canister,
But was too noisy in the end and difficult to regulate.
All I can think is that it MIT have damaged it in some way.
I use to see tiny misty bubbles. But now just big ones...
Could get better results just putting airline in the tank.

R


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Yes
I thought that,
But it is just a porous tube that attaches to your filter system. The co2 is the only thing that travels through the porous tube, and in only one direction.


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fleabilly said:
Yes
I thought that,
But it is just a porous tube that attaches to your filter system. The co2 is the only thing that travels through the porous tube, and in only one direction.


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I don't want to sound argumentative or contradictory, but you are completely wrong here. They most certainly DO get clogged with minute bits of debris. I can tell you that from experience. I took mine off, cleaned it with a brush and immediately noticed better diffusion. Some people even soak theirs, but I am not familiar with what solution they use. If you put it on the inlet (which is not where it is meant to go, although I recognise people do put it there) then it will naturally get dirty quicker, in the same way that your filter pipes get dirty. As the saying goes mate, "SH1T STICKS" :shh:
 
I welcome your thought.
Nothing good n the telly tonight.
Why not try to clean the diffuser. Might give me some satisfying feeling of accomplishment before the day is out.

I have read that a 50/50 bleach solution.
But I may try the brush first.

Cheers

R


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You were right.
Success!
50/50 bleach...
1 hour.
Then bled co2 through it when it was in the bleach.
Cleaned it thoroughly.
Now it looks like it is snowing in my tank.

Cheers

R



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Another reason for the larger bubbles could be a high bps and a filter flow rate that is not fast enough to handle it. Say 4-5 bps on a 700lph filter or something if you get my meaning. The water isnt flowing fast enough to carry away the microbubbles so the end up joining to form larger ones
 
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