how to clean a fish tank.

EQUIPMENT:
Tank about 60 cm long by 30 cm wide by 30-38 cm deep,
Purified water,
Glass or Plastic cover,
Gravel enough for about 2-3cm in depth,
Filter,
Food pellets or flakes,
Fake shoe etc.,
Air Pump optional,
Light optional.

Setting Up and Settling In:
Hints: Have tank running two or three days before adding fish to get everything running smoothly. Start off with one goldfish and work up to more. Try to make water temperatures in the bag that you bring the fish home in the same temperature as the water in the tank to avoid sh...