Picking a CO2 Diffusers

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Bizzaro

Fire Eel
MFK Member
Oct 5, 2006
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I use to be into planted tanks and tell I lost my co2/reg to a kegerator (teheh) Finally got another set up and looking to pick up a nice diffusers. I'm looking at the Atomic CO2 Diffusers but not to sure.

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I can tell you i've been using GLA's Atomic 3 and the biggest inline diffuser they had ( cause thats what fit my tubing ) attached to 5lb tank for 2 months now with no issues.



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I'm looking at their in lines like the idea but I would buy the glass intakes n returns to keep the glass look. I have a ehiem 303 to do on this tank. Or so so. Will a HOB release co2 if it's 100 diffused. Or water breaking?

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What size is your planted tank? The reason I ask is because it helps to determine the right co2 diffusion for your tank.

For instance I'm working on getting everything for my 55 gallon tank to make it a planted setup, and because of it's dimensions 48" x 12" x 21" I decided that I'm going with either a Rex Grigg style reactor, or a Cerge's style reactor because either one will give me at least 90% diffusion.
 
Corner 40g I want a 100%. Diffusing so I might grab a online along with heater... I don't want to see the lines for co2. My last tank had black and clear. The clears line for cloudy after a year

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Then I recommend going with either the Rex Grigg or Cerge style reactors, because either one will connect with the outflow of a canister filter. Cerge's style reactor is known to need a high gallons per hour rated canister filter because of what's known as flow back caused by the design, whereas the Rix Grigg style reactor doesn't have this design flaw, and I've ran one with a Eheim 2213 without any issues. The best thing about these reactors is no visible airline tubing in the aquarium because they are built to have the co2 injected into them directly.

The Rex Grigg design is a do it yourself co2 reactor built using PVC piping, here's a link to directions on how to build one...

http://www.rexgrigg.com/diy-reactor.htm
 
The Cerge style reactors is the best there is for big tanks hand down.
http://www.plantedtank.net/forums/showthread.php?t=110100&highlight=cerge
Then I recommend going with either the Rex Grigg or Cerge style reactors, because either one will connect with the outflow of a canister filter. Cerge's style reactor is known to need a high gallons per hour rated canister filter because of what's known as flow back caused by the design, whereas the Rix Grigg style reactor doesn't have this design flaw, and I've ran one with a Eheim 2213 without any issues. The best thing about these reactors is no visible airline tubing in the aquarium because they are built to have the co2 injected into them directly.

The Rex Grigg design is a do it yourself co2 reactor built using PVC piping, here's a link to directions on how to build one...

http://www.rexgrigg.com/diy-reactor.htm
 
The Cerge style reactors is the best there is for big tanks hand down.
http://www.plantedtank.net/forums/showthread.php?t=110100&highlight=cerge

I'm not going to argue that a Cerge reactor is the best, but as I stated Cerge's style reactor is known to need a high gallons per hour rated canister filter because of what's known as flow back caused by the design. But for those of us on a limited budget don't have the money to invest in a high GPH rated canister filter, and because of being on a limited budget I decided to go with a Rex Grigg's style reactor for my 55 gallon tank.
 
Hmm I'll double check what style I have

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