Select the most appropriate size RMI-25 Cooling System Treatment for your particular need. Identify your engine’s coolant capacity and choose from the various size options available.

Add RMI-25 Cooling System Treatment directly to the engine’s cooling system’s radiator.

It is recommended to add 8 fl oz of RMI-25 for a cooling system with a capacity up to 5 gallons/19 Liters.

For cooling systems above 5 gallons, it is recommended to use a minimum treatment of 2 fl oz per gallon of coolant capacity. When used with distilled water only, and no antifreeze, it is recommended to double this treatment rate, i.e. 4 fl oz per gallon.

Select the most appropriate size RMI-25 for your particular need –

  • 8 fl oz – can treat up to 5 gallons (19 litres). This is usually enough to treat regular cars, small pickup trucks, small agricultural tractors & machinery, commercial generators, etc.
  • 16 fl oz – can treat up to 8 gallons (30 liters). This is usually enough to treat medium to some larger pickup trucks, and similar sized agricultural and other off-road machines.
  • 32 fl oz – can treat up to 16 gallons (60 liters). This is usually enough to treat medium to large trucks, RVs, medium agricultural tractors & machinery, excavators, dozers, large ‘inboard’ motorboats, etc.
  • 64 fl oz – can treat up to 32 gallons (120 liters). This is usually enough to treat larger trucks, agricultural tractors, and other similar large machinery etc, large commercial generators, or a combination of several different engines.
  • 1 gallon – can treat up to 64 gallons (240 liters). This is usually enough to treat several large trucks & machinery, combinations of various vehicles, earthmovers, motorboats, truck or machinery fleets, etc.

Re-treat the cooling system with RMI-25 every 15,000 miles (24,000 Km) or 300 hours

STORE ABOVE FREEZING 32°F   (0°C)

RMI-25 Cooling System Treatment 1 Gal(32 fl oz = 946 mL, 1 liter = 33.8 fl oz)