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Alternative system

See User_talk:Marcin#Alternative_to_aquaponics_system

I think we should very seriously consider an alternative to aquaponics and vermiculture, beyond the ethical problems with farming animals, it is a very delicate system, not very fault-tolerant and requires knowledge of not only growing plants but also breeding fish, taking care of them and dealing with additional problems that comes along with introducing zoonotic organisms into the system such as disease and parasites, requires heating of the pools of water and constant circulation. We are also dealing with an environment that is trying to accommodate two competing needs: the plants want the most amount CO2 and the fish want the least amount of CO2. If integrated with the Biodigester we can skip all the inefficient steps and directly use the microorganisms that do the fixing of the nutrients (with some treatment).