SOS Encounter: Route 1 (Only in Sun & Moon), Hau'oli City, Malie City
Unknown: Route 1 (Only in Sun & Moon), Hau'oli City, Malie City
Looking for Muk? It isn't found in the wild in this game — evolve Grimer (Level 38).
Its base catch rate is 190 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Dream Ball, Master Ball or Dusk Ball.
Evolution: Grimer → Muk (Level 38).
Grimer in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)