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Removing fuel tank rust

How can you easily remove rust from a fuel tank?

Rust in a fuel tank can cause serious problems, such as clogged fuel filters, damage to the fuel pump, and engine failures. It is often caused by moisture in the tank, especially in vehicles or machines that have been idle for a long time. With Ranex Rustbuster , you effectively remove rust and keep your fuel tank in good condition.

Brandstoftank met roest
Brandstoftank met roest

Ranex Rustbuster - 1 LITER - remove rust
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Brandstoftank (voorste deel) na roestbehandeling met Ranex Rustbuster
Brandstoftank (voorste deel) na roestbehandeling met Ranex Rustbuster

Causes of rust in the fuel tank

  • Moisture accumulation due to condensation, especially in half-full tanks.

  • Prolonged downtime of vehicles or machines without fuel treatment.

  • Poor quality fuel with water particles or impurities.

  • Old tanks that corrode from the inside.

How do you remove rust from a fuel tank?

  1. Empty the tank completely and remove loose dirt particles.

  2. Rinse the tank with water if necessary and let it dry thoroughly.

  3. Pour Ranex Rustbuster into the tank and rotate the tank so that all inner walls are covered.

  4. Allow the product to work on each side (30-45 minutes, do not let it dry out).

  5. Let the liquid drain from the tank

  6. Let the tank dry - let it dry every 24 hours

  7. When the tank is completely dry, fill it with fuel to prevent new rust formation due to moisture.

Prevent engine damage and keep your fuel tank clean with Ranex Rustbuster!


How much Ranex do you need to remove rust from the fuel tank?

The amount of Ranex Rustbuster you need to remove rust from a fuel tank depends on the size of the tank and the degree of rust formation.

General guideline for use

  • Light rust 500 ml per 10 liters of tank capacity

  • Moderate rust 1000 ml per 10 liters of tank capacity

  • Heavy rust 1.5 liters per 10 liters of tank capacity

Example quantities

  • Motorcycle tank (10-15L) → 500 ml

  • Car tank (40-60L) → 4 liters

  • Tractor or boat (100L+ tank) → 8 liters


Ranex Rustbuster - 4 LITERS - Rust remover
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