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Besoins biologiques et physiologiques - air, nourriture, boisson, abri, chaleur,
in an Aquaponic system we have 2 solution A and B. Solution A contains calcium nitrate and iron chelate Solution B contains bicarbonate phosphate, magnesium sulphate, manganese suphate, copper sulphate, boric acid, ammonium molybdate and zinc sulphate. note that both solutions should be made individually
