Cool Plus Max RTU


This is a general purpose ready to use automotive cooling system corrosion inhibitor It will not reverse pre-existing corrosion problems. Cool Plus Max should be used where an antifreeze type coolant is not required, always check manufacturers recommendations before use.  Contains 200g / litre Ethylene Glycol.  Silicate and Phosphate free. Contains 5ppm Bittering Agent.


  • Formulation Type: Water-based, hybrid organic acid
  • Colour: Green
  • Specific Gravity: 1.05 -1.10
  • pH (2%): 7.5 - 8.5 approx
  • Hazard Class: Non-hazardous
  • Use Rate: Undiluted
  • Exceeds the performance requirements of the following standards :

Test Results

See Cool Plus Max


Add to cooling system undiluted. Replace at 36 month / 60,000 km intervals.  May be replaced more frequently depending on engine and driving conditions, or engine manufacturer's requirements. To avoid possible incompatibility problems, do not mix with any other inhibitors or coolants.  

When the vehicle is cool, drain the cooling system (including the heater), as per vehicle owner's manual, thoroughly flush and rinse clean. Reconnect all hoses, drain plugs, etc. Fill with correct volume of coolant. Refer to the vehicle owner's handbook for the volume needed. Fill through top opening of cooling system. Check level after engine has reached operating temperature and allowed to cool again. Any spillage on paintwork should be flushed off with water.  Dispose of used material in accordance with local regulations.                 


Cool Plus Max is not classified as hazardous. Safety Data Sheet available. Keep out of the reach of children