The proper function of the filter is essential. Trapped particles will decompose in the filter as they would in the tank. A high fish load may require shorter periods, to avoid problems. Recommended Maintenance Routine Daily Make sure the equipment is running properly. Watch your fish during feeding.
Behavioral changes are a good indicator of a potential problem.
Weekly Count your fish. Try the MultiStick for fast and accurate testing. Vacuum the gravel . Clean the aquarium walls. Filter floss is fairly cheap and very efficient.