Catfish Added to Aquaponics System

For the last five years I have fueled my aquaponics entirely with Tilapia Fish, but this year have seriously considered expanding our systems with catfish. Have not as of yet, but probably will before summers end.

Symbi Biological

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After a little bit of a wait, I finally got some catfish to help power the system. They’re really small at about 4 inches. Not sure if we should be calling them kitten fish at this stage. I’ll have to check on that. After the big fish kill from the aerator diaphragm failure, I wasn’t sure how many hybrid carp I had left in both tanks. So to make room for the catfish, I emptied the tank with the least amount of fish “stashing” most of the water from the 500 gallon tank into the rest of the system. Earlier in the day, I noticed the sump tank was low and figured if I clear the swirl filter to lose about 100 gallons, I could isolate the fish tank by closing the valves and use a pump and hose to empty it into the rest of the system saving my…

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