The Planted Tank Forum - View Single Post - Surface skimmer and filter for plants
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post #9 of (permalink) Old 11-27-2011, 06:00 PM
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Naekuh's Avatar
Join Date: Oct 2011
Location: Los Angeles
Posts: 884
as it was spiraling down the overflow, i think it was losing CO2 inside the skimmer.

My canister would burp once in a while... but its no joke at how much co2 i was losing..

if u use a skimmer, have it do a small spiral.. and not a big one which goes half way down the pipe.
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