Best method for injecting co2...

[ataylor]

I use the DIY method with a simple airstone myself.

I hope to convert my existing filtration setup to a canister soon, but even with that I'll keep my airstone or try out a glass diffuser. Putting a reactor behind a canister just doesn't make sense IMHO. Adding extra restriction in the line is just going to lower the filtration capacity due to the reduced flow thru the filter- and now you've got another chunk of equipment taking space in your cabinet with more potential for leaks. I doubt a reactor could disperse CO2 any better than some of the other devices mentioned in the thread either. About the only benefit of the canister/reactor is the lack of anything 'extra' in your tank.

 

[fresh_newby]

I use the DIY method with a simple airstone myself.

I hope to convert my existing filtration setup to a canister soon, but even with that I'll keep my airstone or try out a glass diffuser. Putting a reactor behind a canister just doesn't make sense IMHO. Adding extra restriction in the line is just going to lower the filtration capacity due to the reduced flow thru the filter- and now you've got another chunk of equipment taking space in your cabinet with more potential for leaks. I doubt a reactor could disperse CO2 any better than some of the other devices mentioned in the thread either. About the only benefit of the canister/reactor is the lack of anything 'extra' in your tank.

It is better used on people with more than one filter. I ran one for a year because I run 2 Eheim Canisters, so it made sense. After using the drop checker I decided to change to the diffusor, and it indeed keeps more CO2 on the plants and less lost in the filtration process. It is however a great, viable alternative for people running either an larger filter than needed or running more than one.