Greenhouse Aquaponics: DIY system to farm fish with vegetables In this video, Rob Torcellini shows us the aquaponics greenhouse in his Connecticut backyard. Rob bought a $700 greenhouse kit to grow more vegetables. Because he had a mosquito problem, he decided to add fish to get rid of them. Since then he has become a committed aquaponic gardener, with an abundant greenhouse filled with vegetables and fish. And in true permaculture fashion, the fish poo fertilizes the garden. Rob has even built a system for inside his home that grows lettuce above a fish tank. Aquaponics combines fish farming (aquaculture) with the practice of raising plants in water (hydroponics). It's organic by definition: instead of using chemical fertilizers, plants are fertilized by the fish poo (and pesticides/herbicides can't be introduced to kill pests because they could harm the fish). Since the plants don't need dirt, aquaponics allows gardeners to produce more food in less space. And