DIY cO2 reactor function question - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 08-18-2005, 02:21 AM Thread Starter
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DIY cO2 reactor function question

i recently had a aqua medic circular reactor 500 and was tired of it because it doesn't diffuse efficiently. I now have a gravel tube running with a filter pad and a rio 90 running through it. I had the Co2 running for one minute, and decided to turn it off for a while to see the bubbles diffuse. It has been an hour and the bubbles from that one minute period are still diffusing. Does this mean i don't really have to keep the Co2 running the whole day? It seems it'll take at last 4 hours to diffuse them.
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post #2 of 7 (permalink) Old 08-18-2005, 04:06 AM
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Actually it means that the DIY reactor is not very efficient. CO2 should be dissolved in a very short time. With the Hagen ladder I would guess the travel time is around 30 seconds and 90% or better of the CO2 is diffused.

I had a reactor of this type on my 29 gallon tank at one time. I never could get decent CO2 levels. Once I built a external reactor and plumbed it into my canister filter the CO2 levels were no problem. I was able to cut my bubble rate to less than a quarter of what it had been.

You might want to pick up a Hagen ladder.
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post #3 of 7 (permalink) Old 08-18-2005, 06:22 AM Thread Starter
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i do see mist coming out at the end, maybe a stronger power head would do? the hagen ladder would be inefficient for my 50 gallon tank since the bubbles would come out too fast and stack on each other hurrying out. Unless i get a T valve and run two ladders. would bio balls would make it more efficient?

btw Rex, do you know any link about the construction of the external reactor? i'm very interested in building one for my canister. thanks
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post #4 of 7 (permalink) Old 08-18-2005, 06:44 AM
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http://www.hoftiezer.net/personal/aquaria/index.htm
I think that is what you are talking about.

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post #5 of 7 (permalink) Old 08-18-2005, 07:14 AM
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Quote:
Originally Posted by kunerd
http://www.hoftiezer.net/personal/aquaria/index.htm
I think that is what you are talking about.
http://www.hoftiezer.net/personal/aq...co2reactor.htm

That's the correct link. It got me the first time I tried to copy the address, too.

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post #6 of 7 (permalink) Old 08-18-2005, 07:29 AM
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Quote:
Originally Posted by Corydoras85
http://www.hoftiezer.net/personal/aq...co2reactor.htm

That's the correct link. It got me the first time I tried to copy the address, too.
Ah yes didnt notice that the webiste was in frames. Good catch

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post #7 of 7 (permalink) Old 08-19-2005, 02:11 AM Thread Starter
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the co2 for my reactor does diffuse, i see fine mist of bubbles coming out at the end continously. I can stuff more of the filter pad inside to completely diffuse it though.
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