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Old 12-09-2012, 01:45 AM   #1
biggerbang
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Default Upgrading a canister filter

So I currently have a eheim ecco pro 2232. I'm going to upgrade it to the 2236 because the flow on the 2232 is kinda weak. But since the new one won't have any beneficial bacteria, should I just attach both filters to the tank? It's going to be attached on a 20 gallon long. If the 2236 has too much flow, I can always dial down the output. Could I just move the mechanical filtration and coarse + fine filter pads from the 2232 into the 2236 and essentially get all of the bacteria in there??
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