CO2 & Bacteria - The Planted Tank Forum
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post #1 of 4 (permalink) Old 04-02-2005, 03:03 AM Thread Starter
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CO2 & Bacteria

Does CO2 breakdown the beneficial bacteria in the tank. I run an Ocean Clear cannister and want to inject the CO2 into the intake. Will this harm or kill any of the nitrifying bacteria in my cannoster?

Thanks all.
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post #2 of 4 (permalink) Old 04-02-2005, 04:35 AM
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a lot of people use their canister filters as CO2 reactors. I dont think you would cause any harm to bacteria unless your levels were REALLY high

But it is only my guess
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post #3 of 4 (permalink) Old 04-03-2005, 12:15 AM
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Watch out for airlock

I don't think you need to worry about CO2 levels for bacteria. They will probably affect your fish way before they affect micro-organisms. One thing to watch out for when injecting CO2 with a canister is airlock. I read a whole bunch before I set up my CO2 and there were a couple horror stories about to much gas in the canister causing an airlock and destroying the impeller. I wound up using a 10" X 2" PVC diffuser on the outlet of my canister to prevent the problem.
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post #4 of 4 (permalink) Old 04-03-2005, 12:39 AM
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Sorry to hijack the thread, but where does everyone insert their CO2. I had to crack a piece off the grill off the impellar to insert the tube, but that didnt look to great. So i just inserted it in the area beside where you stick the filter media. Is that alright?
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