04-21-2007, 05:08 PM
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Originally Posted by herefishy
I don't use carbon at all, unless I am removing meds from the tank. Carbon does have the ability to remove needed, as well as unneeded, chemicals from the water.... I do know, from experience, that carbon removes tanins from a blackwater tank.
I'm curious about what chemicals would be removed by activated carbon that plants might need. AFAIK
, carbon will only remove larger organics, while the main thing aquatic plants need (other than nitrogen/phosphorus/potassium) would be iron...which isn't something carbon should remove from the water.
Am I missing something?