Question: How to clean a fish bowl
Option 0: Safely remove your fish and set aside in another container. Scrub the walls of the bowl and rinse along with the gravel. Add petrified water making sure it matches the temperature of water that contains your fish before returning the fish to whence it came.
Option 1: Safely remove your fish and set aside in another container. Scrub the walls of the bowl and rinse along with the gravel. Add purified water making sure it matches the temperature of water that contains your fish before returning the fish to whence it came.
Answer: 1