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Where are Grimers more common at? Got 23 candies for it so far and it's the last pokemon I need that isn't a country exclusive. He rarely spawns were I live and I live in a heavily populated area where lots of pokemon spawn all the time. We even had a dragonite spawn 3 weeks in a row.
I've been searching and some sites say they spawn everywhere and others say they spawn around industrial areas but we don't really have that here at least not close.
Does anyone know of any comfirmed nests or spawn locations?