A formulation with proven effectiveness. Corrosion inhibitor, dispersant and hardness stabilizer for closed and semi-open cooling systems. AquaCode®KCOC 03 (615 DSK) is. concentrated product containing active corrosion inhibitors, hardness stabilizers, dispersants and copper corrosion inhibitors. The formulation is distinguished by its high stabilizing ability and excellent dispersing properties, which it shows against calcium carbonate, calcium phosphate, calcium sulfate and iron oxides, as well as organic and inorganic impurities. Through its use, corrosion processes can be prevented and full protection of steel, zinc and other non-ferrous metals can be ensured, forming a homogeneous protective layer on metal surfaces and preventing the formation of inorganic deposits.