What should be the method of choice when repairing and treating corroded gaskets?

The method of choice when repairing and treating corroded gaskets should indeed be the mildest approach. This is because gaskets are typically made of materials that can be sensitive to aggressive chemicals or harsh methods, which could further damage the gasket or compromise its integrity.

Using a mild treatment helps to effectively clean and protect the gasket material without causing additional harm. Aggressive methods could lead to material degradation, further corrosion, or even complete failure of the gasket, which would necessitate a complete replacement rather than a repair. A moderate method might still be too intense for certain gasket materials, while a rudimentary approach may not adequately address the corrosion issues. Therefore, applying the mildest treatment ensures that the gasket's functionality is preserved while effectively addressing corrosion.