This formulation is a dual-action, broad-spectrum composition based on a synergized blend of triazolinones and bronopol to provide protection against microbial activity caused by algae, fungi, bacteria, and yeast resulting in discoloration, breakdown of emulsions, shifts in pH, bad odor and even gassing. It is non-foaming, non-oxidizing and find huge application in paints, adhesive coatings, building material, coolants, industrial fluids, lubricants etc.