you can't, its a key item
you use the good rod in a river or somewhere :/
there's no ultra rod there's only a old rod,good rod, & super rod..veronica
The Good Rod in Pokemon Emerald is found on Route 118. If the player uses Surf from Mauville City to cross Route 118, there is a fisherman on the other side of the water will hand over the Good Rod.
at rut 118
u use a good rod at the route left to mauvile and u use good rod
go fishing in falador town with a good rod of super rod or surf.
You fish for it at Ever Grande city after getting either the good rod or the super rod.
Pokemon you can get with the good rod are: TENTACOOL, MARILL, MAGIKARP, CHINCHOU ( under-water ) and CORPHISH.
east of mauville
Use the good rod around dewford town.
There is no glass rod in Pokémon Emerald, Ruby, and Sapphire. The rods that are only available are Old Rod, Good Rod, and Super Rod.
Good or Super rod. You have to fish right at the entrance of Victory Road.