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Old 01/08/2008, 07:59 AM   #1
ryanpal
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Join Date: Jul 2006
Location: New Jersey
Posts: 756
carbon - when to change?

hey all.

i was recently introduced to carbon a few months ago. i've put a few "sacks" of carbon in my sump. my question is, when should these be replaced?

thanks,
ryan


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Old 01/08/2008, 08:13 AM   #2
LobsterOfJustice
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Location: Cary, NC
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There have been a few polls and most people replace monthly. However, I have heard that carbon's ability to absorb water-discoloring compounds (as opposed to other compounds and chemicals) lasts anywhere from a few days to only a few hours.

I would try to find a more efficient way of running your carbon. A sack sitting passively in the sump is not pushing water through the carbon, and you are not getting the most out of it. I would be surprised if it is doing much of anything, honestly. I would reccomend running carbon in a power filter, canister filter, or fluidized reactor (i.e. phosban reactor). Or if you have a filter sock on your drain, you can put a bag of carbon in there.


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