lol... I just wanted to make sure that is what you meant...
I am not very familiar with the c series, or diy co2, but you will probably need to get a 'y' fitting that attaches in line in the canister's intake (I think it should go in the intake, not 100% sure) and attach the outlet from the diy to that. I haven't done this, and it might cause problems for the filter's pump. If it's attached on the discharge, I don't see how it would cause absorbtion, and it would put backpressure on the yeast bottle. Also, it should go in as close to the filter as possible, with a loop seal between the co2 in and the highest point in the hose...
I'm not really 100% sure this would work, but that would be what I would try.