Glad you asked...
When cleaning a freshwater fish tank you would need to unplug the heater and remove all decorations and artificial plants. Use an algae sponge to clean the sides of the tank and disconnect the filter. You would need to clean all the decorations by soaking them in a tub. You can find more information here:
http://www.... peteducation. com/article. cfm?c=16+2154&aid=2649
