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Discussion Starter · #1 ·
hey guys -

so i just installed a pressurized co2 unit, and the diffuser is making this sort of 'bird chirping' noise... anyone know if this is endemic to all diffusers or if mine just makes annoying noises? i can hear it outside the tank if i'm looking into it, i'm sure the fish can hear it and it's gotta be annoying.
 

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What are you using?

I hear a slight sizzling type noise with mine. If the ceramic plate is clogged it could cause that noise.
 

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It's a hit or miss for me on whether or not my diffuser chirps

I dried one of them out while still connected to the diffuser (mine's DIY though), and after that it stopped chirping. Don't know if that'll work for you though, but might be worth a try.
 

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Discussion Starter · #7 ·
hmm.. that disk is definitely soaked, it's been in there for three days. it's just the sound of the bubbles escaping. not a big deal by any means, but annoying.
 

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I have a cheap diffuser and it's silent. I get a clicking sound for the first minute or so until pressure builds up, but silent after that. So I think yours is defective in some way. But if you're getting diffusion and are OK with the noise then I'd stick with it.
 

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I heard that from my cheap Spio diffuser, sounds like a high pitched alarm inside the tank, lol. I figured the fish gotta be dying, but they didn't seem to be effected at all. I hear it through wood blocks also.
 

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Discussion Starter · #10 ·
could some people mention the diffuser they have IF it's silent? that'd be helpful, i'll pick one up tomorrow...
 

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Mine is doing the same thing and it's extreamly annoying it's a whisteling sound thats much louder and high pitched thanmy air pump.

I have a rhinox 1000
 

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could some people mention the diffuser they have IF it's silent? that'd be helpful, i'll pick one up tomorrow...
I have a Rhinox 5000, no problems at all. Quite, 90% + of the diffuser surface dispearse a fine mist of bubbles. Could not be happier with it. Plants growing like MAD!!!

I have heard of some people having troubles with the Rhinox, I guess there is variety of quality issues. Mine seems to be high quality and works great. I soaked mine in tank water for about 10min. Then turned the CO2 on. It had about 50% of surface bubbling at first. After a couple of days almost all of it is bubbling. I run my pressure pretty high with no bubble counter.
 

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Depends on the persons definition of silent. I think all diffusers make a hissing sound. Some people get bothered by the hum of a MH ballast, others don't. Look into a reactor or venturi if you want a complety silent Co2 option.
 

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I have a Rhinox 5000, no problems at all. Quite, 90% + of the diffuser surface dispearse a fine mist of bubbles. Could not be happier with it. Plants growing like MAD!!!

I have heard of some people having troubles with the Rhinox, I guess there is variety of quality issues. Mine seems to be high quality and works great. I soaked mine in tank water for about 10min. Then turned the CO2 on. It had about 50% of surface bubbling at first. After a couple of days almost all of it is bubbling. I run my pressure pretty high with no bubble counter.
How iny are the bubbles? Even after mine are tossed back down to the bottom of the tank by my filter's output they usualy make it back to the top again where they bust open at the surface. can you define mist of bubbles because I have two and neither of them create what I would call a fine mist....
 

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Micro bubbles, mist/smoke like, swirl around the tank, smaller than this period. I have a lot of current in the tank from a powerhead and a return from the wet sump. The Co2 bubbles are so mixed with all the streams of pearling bubbles coming off the plants it would be hard to say what is O2 bubbles coming up and what are Co2 bubbles coming to the surface. The 4dkh drop checker turns green about 1-2hours after the co2 comes on and is very light green turning yellow right before lights off. I have seen no ill effects to the small amount of fish I have in the tank. It appears that these diffusers vary in quality and diffusion rates widely. I think the pressure I am running, having the diffuser mounted up in the water column, and the powerhead blowing the mist around helps a lot. JMHO
 

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Discussion Starter · #20 ·
yeah sucks i wish there was a consistent diffuser out there. anyone using a fluidized bed reactor? pics?
 
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