Hi, I live in Brazil and have lived in the USA many years. I just found out about aquaponics and it has a great deal of promise here - we do not need to heat our homes here in the winter due to proximity to the equator, there is no shortage of sun, water and warm weather. Also fish farming is well established here with the main problem being what to do with the waste water. I want to learn about aquaponics on a small scale, then progress to commercial scale. I will have to source all…