CO2 injection methods w/ Eheim 2211

[TomCruise]

I have an eheim 2211 (classic).  I'm trying to figure out the best way to get CO2 dissolved in my water.  I hate seeing little bubbles coming out of my outflow and have been experimenting with reactors, but my flow rate doesn't seem to be strong enough to turn the little impellers that supposedly mix the CO2 into the water. I have a pressurized CO2 tank with regulators etc.

I noticed I use a pretty popular canister filter, so I thought maybe someone would have found a solution, or have a suggestion for me?

Thanks in advance.

[shrimpaholich]

there are inline injectors you could put on the intake near the top of the inflow

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[Steve R.]

I use inline atomic co2 diffusers with my Eheim. Works very well.

I got mine from green leaf aquariums.

http://greenleafaquariums.com/co2-diffusers/atomic-inline-diffuser-8.html

[Evo]

I also use the atomic inline diffuser on my 2213. Works wonders 

[TomCruise]

So you don't get bubble buildup in your canister?  Total dissolution?   I tried one of those before, but it was probably a cheap knockoff and didn't get the best results.

[TomCruise]

Do you put it in the inflow tube or the outflow?  The website says the outflow...

[DETAquarium]

When I used to aquascape exclusively I used the normal diffusers inside the aquarium, but if your not to happy with the micro bubbles from the CO2 I would suggest Green Leaf Aquariums in-line diffusers, when I did use this product it was fantastic!

[Evo]

Do you put it in the inflow tube or the outflow?  The website says the outflow...

 

I have mine on the inflow because my tubes are set up really short. You could try it on the outflow first and if you're seeing co2 bubbles i'd switch it to the inflow.