Originally Posted by emeraldmaster
In my 12 gallon Nano tank, there is a bag of filter carbon. Now, this thing has been in there for a long time (at least 2 years) but lately with the fish healing thatI have been trying to do, I am being extremely safety cautious about everything... Does filter carbon has an experation date? I know that when I clean the filter, the carbon drains black water out. It is very easy to break the individual peices of carbon inside... Anyone have the answer???
For your reference, instructions from my Fluval Spec V says:
Change carbon filter mesh bag unit every 4-6 weeks, that's why it is in the top compartment of the foam block.
Change the Biomax mesh bag unit every 6 month, that's why it is at the bottom compartment.
Change foam block that houses the above 2 items every year.
It seems like the carbon filter looses its effectiveness in about 4-6 weeks and therefore needs replacement as per Fluval's instructions for my tank.