Venturi water pump for CO2 injection
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Old 11-25-2012, 07:32 PM   #1
frogmanjared
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Venturi water pump for CO2 injection


Does anyone use something like this? If so, what are your experiences?
http://www.amazon.com/Rio-Plus-Ventu...turi+powerhead
What is the flow rate on these? It would be for a 10 gal tank.
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Old 11-25-2012, 11:38 PM   #2
m00se
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I have a supreme mag 7 with the venturi impeller and intake attachment. I also have the same pump without, and I don't see a lick of difference between the two for efficiency injecting CO2. I use a 20 inch cerges reactor. Hey! Give er a whirl and see how it performs!
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Old 11-26-2012, 02:33 AM   #3
Kathyy
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http://s3.amazonaws.com/tc-photos/11...e/giant/17.jpg
Might be more flow than you are looking for!

How about buying the smallest one and putting an airline tube between the venturi and the intake?
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Old 11-26-2012, 02:46 AM   #4
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Quote:
Originally Posted by m00se View Post
I have a supreme mag 7 with the venturi impeller and intake attachment. I also have the same pump without, and I don't see a lick of difference between the two for efficiency injecting CO2. I use a 20 inch cerges reactor. Hey! Give er a whirl and see how it performs!
There might not be a huge difference in the efficiency of injecting CO2 but there is a big difference in flow rate between the mag7 with a fractioning impeller and one without. I use a mag7 with fractioning impeller ran dual venturi method style through my reactor and the other mag7 for my return from my sump.
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Old 02-22-2013, 03:59 AM   #5
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I'm running the Rio+ 200 in my 10 gallon also doubling as my CO2 diffuser. The flow rate is fantastic for that size tank and it's fairly inexpensive ($20 I believe). Granted, I also have a tetra EX30 filter that gives my great flow for the mid-top range of the water. I have my Rio mounted in the bottom corner of the opposite side of my filter and it's amazing. It also produces very tiny bubbles of CO2 that take quite a long time to float to the top and often have time to stick to my plants. Very happy with the results.
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Old 02-22-2013, 05:05 AM   #6
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Barr Venturi Reactor
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