Type matchups and best counters for Grimer in Pokémon Polished Crystal. Learn which Pokémon can effectively counter Grimer and what types to use against it.
Types that deal increased damage to Grimer. Use these types to counter it effectively.
Types that Grimer resists or is immune to. Avoid using these types against it.
Pokémon that have type advantages against Grimer, either offensively or defensively.