Originally Posted By: frigginchi
I made the mistake of trying to over winter tilapia outdoors. My electricity bill was crazy. Now I over winter 3-6 breeders in a 40 gallon tank indoors. Come spring I have enough fingerlings for the outdoor tank. With intensive feeding I can get 1.5 lb fish in 8 months. I harvest when it starts getting cold and start the cycle all over again.

Here is a link to a DIY 2000 watt heater:

http://aquaponicscommunity.com/forum/top...00-watt-element



I was thinking about doing the same thing, overwintering breeders inside. What type of tilapia do you keep? What are their breeding requirements in terms of set-up and substrate?