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Discussion Starter · #1 ·
I apologize if this is a stupid question, but I must ask. I have a 65 gal fish tank with a glass CO2 diffuser. Recently it got clogged with green algae and wasn't putting out bubbles. I took it out and cleaned it. I dipped it in some hydrogen peroxide which didn't clean it well. I then used some bleach. Worked like a charm. Rinsed, rinsed, rinsed and put it back in the tank. It didn't work. I couldn't see any bubbles. I turned it up, full blast,....bubbles appeared. I thought, must be the diffuser. I bought another one. I bought a Rhinox 2000. Put it in the tank. Turned it on, NO BUBBLES when I set the needle valve at 3 bubbles per second. Turned up the CO2 full blast....got bubbles. Now what should I do?? I felt all over the tube. I can't find a leak. (I do have a kitten that likes to chew on things.) Do I turn up my CO2 tank until I see a mist, even though it's putting out lots of CO2 bubbles (I mean lots!!)?? I don't want to kill my fish. I need everyone's help. :icon_conf
 

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i would go over the system again sounds like a leak, use some soapy water to check. Finding a leak with your fingers or by sight alone is is a bit futile as they can be so small or even numerous.
 

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not a diffuser guy but i would think it takes time to build up enough pressure to start forcing the co2 through the membrane.

i.e. when you blasted out co2 you had the pressure to force co2 through, but depending on the actual diffuser and the length of tubing, it may take some time to normally get to that level.

just a guess...
 

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You most likely have a leak somewhere and the glass diffuser is not at fault. You need a certain amount of pressure for the Co2 to pass through the membrane but if you have a leak somewhere in the system, pressure will never build up high enough to be able to break through the glass diffuser unless in your case you turn up the Co2 way high, as you did mention and that was when you started noticing bubbles coming out of the glasss diffuser.
Gas pressure is usually greatest at the source and diminishing as it travels down the line so the leak is most likely close to the origin point. Use soapy water to check for leaks on all possible areas and change your hoses if you need to.
 

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Discussion Starter · #8 ·
Kitten chewed my tubing

Just as a follow up. My kitten had chewed on my tubing. When I cute the chewed section out....the bubbles reappeared. Bad kitty.


Soapy water is best. You can take dishwasher liquid soap and add a little water to make it a little less viscous.
 
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