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Discussion Starter #1
....think i read somewhere that a carbon filter will drive out CO2 and ferts - am i right?
 

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Hi krisha,
Yes, activated carbon will absorb gasses (including CO2) and impurities (including ferts) from the water.
 

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You can however use carbon in a newly setup tank, when removing meds or discoloration from water. Carbon will run it's course within a few weeks & be useless anyways except for biological filtration.
 
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