It's in the intake tubing of the canister filter (intake, CO2 plumbing, filter, outflow in that order). My understanding was that you could just inject CO2 inline into the filter and the impeller would chop the bubbles up and diffuse them.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.