Carbon filters remove alot of the trace elements in the water that plants
need. Just buy another foam insert to replace the carbon filter insert. I
have an aquaclear filter with two foam inserts and they work great and my
water is crystal clear. Your plants, once established, will quickly start
absorbing/using the ammonias and nitrites that often are detrimental to fish
health. Make sure you have quite a few plants in the water to jump start
their competition over algae proliferation.

Dave.

"Commander Vimes" wrote in message
...
hi there,

I have just purchased a Jewul aquarium, which comes with a carbon
filter pad as standard. I have read elsewhere that carbon filters
might remove any plnat food that I put in the tank. Is this the case?
If so, any advice on what to do in terms of replacement filter media
would be appreciated,

many thanks,

Vimes