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carbon question

This is a discussion on carbon question within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Carbon can be used to remove chemicals from the water, but for planted tanks, carbon removes the needed fertilizers to keep the plants going. ...

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Old 07-12-2007, 10:18 AM   #11
 
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Carbon can be used to remove chemicals from the water, but for planted tanks, carbon removes the needed fertilizers to keep the plants going. Carbon isn't necessary to maintain a clean tank, just to remove medications, chemicals, and other undesirable things from the water.
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Old 07-12-2007, 11:56 PM   #12
 
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Exactly! Which I why now I not only save money, but can tailor my filtering needs.

I do not have a fully planted tank, it's mixed real/artificial. Looks pretty cool I might add. Really hard to tell when it's mixed up.

And I meant to say I have high phosphates, not night phosphates!
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Old 09-30-2010, 04:08 AM   #13
 
Rebuilding spent carbon

Quote:
Originally Posted by saint View Post
can carbon be "re-activated"?

and is it bad for planted tanks?
The only way to rebuild the spent activated carbon is heating high-temperature, inside a vacuum furnace.
Under these conditions, the coal becomes white and very bright, while the adsorbed organics are deleted in gaseous form.
However, you can recover only a percentage of the previous activity.
In addition, this percentage is becoming increasingly low at every regeneration.
Therefore, after some regenerations, coal is no longer useable and must be replaced.
Ciao!
AnfibioRana
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Old 09-30-2010, 04:20 AM   #14
 
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This thread is three years old, I have leftovers in the fridge that old
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Old 10-03-2010, 03:29 AM   #15
 
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Originally Posted by 1077 View Post
This thread is three years old, I have leftovers in the fridge that old
Better late than never (unless you hate archaeology).
Ciao!
AnfibioRana
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