too much fish food in tank

Question
my 2 yr old grandson dumped a whole can of fish flakes in my aquarium... the kind that stinks to high heavens smells like shrimp we dipped out all we could before it floated to the bottom now the aquarium stinks really bad and the water is cloudy do you have any suggestions as to how i might clean the water, I hate to have to pour it all out and start from scratch...should I buy the fish that goes around cleaning the tank or will it kill them because i can see LOTS of food laying on the floor of the aquarium,

Answer
Hi Jane:  Gravel vacuum the extra food out of the tank and do a 50% water change.  Fish food is not eatable for fish after about 3 hours in the tank... so bottom feeders should not be purchased. A gravel vacuum is about $12 at the local fish store and will do the job nicely... dave