Quote:
Originally Posted by kwirky
i read of somone once using a protein skimmer as an aerater in their planted aquarium at night, because the fish and the plants together output crazy ammounts of CO2 if it's heavily stocked...
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Ummmm....not AT ALL true. Plants NEVER EVER output CO2. They USE CO2 to create O2, however with no light, there is no photosynthesis, therefore no O2 output from plants.