CO2 reactor. Please take a look - The Planted Tank Forum
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post #1 of 17 (permalink) Old 12-07-2007, 10:48 PM Thread Starter
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CO2 reactor. Please take a look

Hi

As i am just finish a yeast CO2 recipte. I did some research and found out this reactor. Please take a look first. And please confirm whether this reactor is based on the idea of plugging in the CO2 tube into the intake tube of a powerhead ?

also, what do u guys think about its effectiveness?

http://www.bigalsonline.com/StoreCat...Type=0&offset=
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post #2 of 17 (permalink) Old 12-07-2007, 10:59 PM
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Yes, this model takes the supply of CO2 and puts it into a specially designed power head that creates a venturi to help dissolve the CO2 better.


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post #3 of 17 (permalink) Old 12-08-2007, 12:37 AM Thread Starter
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How effective is this kind of diffusion ?
Will it end up sounding like tick tick all the time ?
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post #4 of 17 (permalink) Old 12-08-2007, 02:26 AM
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I had one and it worked great. It seemed to disolve all of the CO2 very well. The only down side that I didnt like about it was plant leaves would break off and would get sucked into it and kill off the flow. As long as you keep it clean its great.

Whats this green fuzzy stuff thats growing in my tank.
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post #5 of 17 (permalink) Old 12-08-2007, 03:49 AM
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I had one and they work great. I turned the powerhead all the way up and got wonderful results

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post #6 of 17 (permalink) Old 12-11-2007, 01:39 AM
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would any water pump like that work? like small wave makers and small powerheads
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post #7 of 17 (permalink) Old 12-16-2007, 04:42 PM
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Would a reactor like this and a yeast sugar mix produce enough co2 for a 46 gal tank with 2 WPG? 4 WPG?

If not, would using two bottles of mixture with a T fitting increase the amount of CO2 produced to an acceptable level?
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post #8 of 17 (permalink) Old 12-17-2007, 01:01 AM
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I would be a little concerned about the reactor sucking the mixture into the tank. I recently set up a venturi powerhead for nighttime respiration and it has a lot of sucking power. You might be able to do it with the yeast setup, but I would make sure that the bottles aren't collapsable.
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post #9 of 17 (permalink) Old 12-17-2007, 01:20 AM
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I used mine with a DIY C02 and didnt have any suckage issues.. Granted I didnt use as much water in my mix and used a 1 gallon apple juice container instead of a pop bottle.

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post #10 of 17 (permalink) Old 12-17-2007, 08:08 AM
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Quote:
Originally Posted by mjenk430 View Post

If not, would using two bottles of mixture with a T fitting increase the amount of CO2 produced to an acceptable level?
This is my current setup on my 60litre tank in the pics below. Two bottles is alot for a tank my size, but i scale back the amount of yeast use so it lasts longer. Its in its 2nd week and producing 19-20 ppm concentration.

I use an Eheim Venturi which is OK. But if you watch closely, most the co2 just rises to the surface where it exits the water. Still, its not too bad if you produce lots of Co2 and dont mind that a large percentage is wasted. ( but at least its cheap to make new batches)
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post #11 of 17 (permalink) Old 12-17-2007, 08:09 AM
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Quote:
Originally Posted by stagius View Post
How effective is this kind of diffusion ?
Will it end up sounding like tick tick all the time ?
Yes, my is constantly ticking. 2 spurts per second. You get used to it though
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post #12 of 17 (permalink) Old 12-18-2007, 04:51 PM
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Yes, my is constantly ticking. 2 spurts per second. You get used to it though
any that don't tick? I've got my planted tank in my bedroom and i'm sure the girlfriend won't be a fan if there is a loud ticking every second...

TIA

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post #13 of 17 (permalink) Old 12-18-2007, 06:19 PM
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I am currently using the Red Sea reator on my 25 and had a hard time getting enough CO2 in the tank using DIY. I switched to pressurized and it is now working like a charm.

BTW it does not suck the [email protected] from the venturi, instead it pushes tank water out toward the CO2 source. So you will need a check valve for sure.

HTH

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post #14 of 17 (permalink) Old 12-19-2007, 02:00 AM
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Mmm i disagree. The venturi pumps water across the Co2 tubing, creating a low pressure zone. . . this is what draws the Co2 out. But its no huge vacuum force, just a very slight vacuum effect. No need for check valves.
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post #15 of 17 (permalink) Old 12-19-2007, 01:49 PM
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Quote:
Mmm i disagree. The venturi pumps water across the Co2 tubing, creating a low pressure zone. . . this is what draws the Co2 out. But its no huge vacuum force, just a very slight vacuum effect. No need for check valves.
That's what I thought to when I first set up my Red Sea 500 CO2 reactor but it did just the opposite. The reactor does not pass ACROSS the CO2 input but instead it injects it dead center into the top of little round chamber that swirls the water in a vortex causing backward pressure towards the CO2 source.
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