I am trying to remove some medication and lower the organics load. I am
preparing to do a water change, but the water temp here is low and I
don't want to shock the tank temperature wise. (In the summer I do
water changes exclusively). The tank is large so storing water (warming
up to room temp at least) is not practical. I have a great filter
system (series of filters for tap water) which removes chlorine, and a
host of other stuff from tap water.

Zëbulon wrote:

"Michael" wrote in message
...
Can activated carbon used in our aquarium filters be reused if you
clean it, dry it, and then bake it in an oven at 300 degrees?

Or should it just be thrown away?
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I don't bother with carbons because of all the partial water changes I
do. They remove pollutants. Are you trying to remove something in
particular from the water?