Roofert Calcium Nitrate 15.5-0-0+26.5CaO Roofert Magnesium Sulfate 0-0-0+16MgO+13S (Epsom Salt) Roofert Potassium Sulfate 0-0-51+18S Roofert NPK 24-10-10+TE Roofert NPK 10-50-10+TE Roofert NPK 15-15-15 Roofert NPK 27-05-05+TE