CORGAL BMg Corgal BMg is a product based on Boron / Magnesium in Flow formulation, to combat the deficiencies of Boron (B) / Magnesium (MgO). see more Content COMPOSTION w/v Boron (B) 5,0 % Magnesium (MgO) 8,0 % Information Related Products: CORGAL FE-6 SUPREM CORGAL BMG CORGAL BORO 15 CORGAL BORO 18 CORGAL CABOR CORGAL HIDROMIX CORGAL MG-SUPREM CORGAL DALKING