SICIT 2000 S.p.A Via del Lavoro 114 , Arzignano , Veneto 36071 Italy About Solutions products Companies SICIT 2000 S.p.A Products Protifert Potassium Protifert Potassium From Special 0 Share Organic N %: 4.0. Organic C %: 10.5. Amino Acids %: Total: 25, Free: 10. Micromeso elements %: K2O, 16. Formulation: liquid pH11. Customer reviews No reviews were found for Protifert Potassium. Be the first to review! Add your review Publish your review Great! review successfully added!