[APD] RE: urea/NH4, fishload and algae

["James Purchase" <jppurchase at sympatico_ca>]

STOP thinking like a fishkeeper and start thinking like an aquatic gardener.

Urea is a byproduct of animal metabolism and will NOT be found in an 
aquarium, unless you are keeping sharks as pets (sharks are the only fish to 
secrete urea).

In a properly set up and maintained planted aquarium the waste secreted by 
fish (NH3/NH4, depending on pH) will be almost instantly absorbed by the 
plants. There is no need of any "nitrogen cycle" bacteria - the plants do it 
better.

You don't need a fluidized filter, or a nitrifying filter, or a wet-dry 
filter if you have PLANTS.

James Purchase
Toronto 

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