Aquaponics revisited - UPDATED

I've had a few emails recently asking about aquaponics so I thought I might do an aquaponics post, even though we sold our system three years ago.Aquaponics is an organic way of growing vegetables and fish in the backyard. It's like hydroponics, with fish attached, and unlike hydroponics, it's organic. I think it will be much more popular in the future as people start producing more food in