The Planted Tank Forum - View Single Post - Mini CO2 reactor in an Aquaclear HOB filter v1.3b (shown on a Fluval Edge)
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post #15 of (permalink) Old 03-07-2011, 05:47 PM
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What would happen if you just left the end of the tubing open and bubble inside the filter? I have an AC70 I am wanting to try this on.
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