FishPlant Family UnitOverview The FishPlant Family Unit system is a blend of hydroponics and aquaculture systems. The unit allows you to grow plants and fish in a protected and enclosed system. Beneficial bacteria convert fish waste into plant nutrients for healthy crop growth. When feeding the fish, you also feed the plants and bacteria in a balanced eco system. The unit is made for beginner and professional growers. It has a capacity of 3. 5 kg of fish and fits into a