The Planted Tank Forum - View Single Post - Carbon Filter necessary?
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Old 11-20-2012, 04:48 AM   #3
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Activated carbon does not leach stuff back to the water.

I keep some on hand in case of emergency, but do not use it fill time.

I use media in this order, following the path of the water:
In the tank, coarse sponge over the intake.
In the HOB filters:
Aquaclear sponge
Blue and white bonded media (Rite Size is one brand name)
Chemical media. (Varies: soft water tanks get peat moss, hard water tanks get coral sand)
Quilt batting = polyester floss.
Bio media, in a mesh bag.
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