Medical Equipment Supplies Kenya is a top supplier of reliable medical lab consumables for a safe and efficient diagnosis. Order Carbol Fuchsin solutions from us and benefit from the best prices and quality available. Carbol Fuchsin is used for counterstaining of bacterial strains that do not retain their primary dye, i.e. Gram-negative bacteria. That enables differentiating the blue and purple-colored Gram-positive bacteria from the red-colored Gram-negative bacteria