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5L Engine Flush

£ 45.00

HIGH PERFORMANCE ENGINE FLUSH // Pro-GreenMX Engine Flush has been specially developed for flushing inboard and outboard engines. It contains a water-based, non-toxic, non-hazardous and fully biodegradable solution that contains properties to dissolve, release and remove salt crystals from any surface.

Why use it?
  • Pro-GreenMX Engine Flush is 100% salt-free, with no corrosive components in the product.
  • Fully biodegradable with recyclable packaging.
  • Engine Flush dissolves and releases salt crystals from any surface.
  • Contains a built-in inhibitor that will leave behind a microfilm of protection inside the engine, preventing salt water corrosion to internal parts.
  • Regular use will prevent salt build-up in the cooling system and other areas.
  • It is completely safe for use on all sensitive metals including aluminium.
Instructions for use
  • Add 80ml of Engine Flush into mixing unit.
  • Connect hose to mixing unit and connect the other end onto the engine flush port.
  • Turn water on and mixing unit to rinse.
  • Allow engine to run for 5 minutes to allow thermostat to open, allowing full flow of fresh water through the engine.
  • Before turning the engine off, switch unit to ‘Sailors Mate’. The exhaust will start to foam. Allow a further 30 seconds and then turn the engine off.
  • Allow to sit for 5 minutes.
  • Turn the mixing unit to ‘Rinse’ until all the foam has gone.
  • Turn the engine on and blow the ski out to remove any excess water that remains.

For best results, use with our other products;

Step 1 - Engine Flush
Step 2 - Aqua Wash
Step 3 - Aqua-Shine
Health & Safety
  • Keep out of reach of children. Store in a cool, dry place away from direct sunlight.


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Delivery Van
Free Standard Delivery On All UK Orders Over £40*
Next-Day Delivery Available Mon-Thurs before 2pm.
*Excluding Highlands, Offshore Islands & Northern Ireland.
For all shipping information – click here