fog

Question
I moved my fish from a pond to an aquarium for the winter. The thing was fine at first now it is really cloudy. Could i be feeding them to much and left over food is the problem?  I have an 20 gal. tank ,2 koi 1 goldfish and 5 algae eaters. the fish are about 4inches each algae eaters 1-2 inches

Answer
Hi Diane:  If it is a white/blue cloud then the tank is cycling.  Sometimes adding in so many fish at one time will cause the tank to cycle... which basically means that the beneficial bacteria are reproducing...You can add bacteria into the tank to help the process go by faster... If the cloud is not a white cloud then let me know... dave