head north then turn left there will be a few trainers go in the cave and throught a few routes to falabar town i think then go into the other cave south of there
You use your strong(est) Pokemon to kill the Gym Leader's Pokemon.
It's a girl with a clefairy and a milktank.
The third gym is in vermillion city. The Gym Leader is Sarge, and he uses electric-type Pokemon.
Go to where Sudowoodo is and talk to a girl in blue, then go back to the flower woman and ask her. She should give you squirtbottle.
Buy at stores after beating the 3rd/4th Gym Leader
You can get a badge and TM Shadow Claw after beating the third available gym leader, which is Fantina with the Relic Badge. (She uses Ghost types)
Go to the flower shop next to the gym in Goldenrod City after beating the 3rd gym leader (Whitney normal type) and talk to the lady
You use your strong(est) Pokemon to kill the Gym Leader's Pokemon.
you go the the fourth gym in pastora and battle him
3rd gym
After beating the 2nd gym leader you need to see steven in the cave in dewford town if you have not already if you already talked to steven then talk to mr briney and go to slateport city from here go north to mauville city and beat the 3rd gym leader there.
I have Pokemon platinum the 3rd gym leader always their your probaly just not lucky.
The third gym leader in poekmon pearl is maylene, a fighting type gym leader.
go to the gactatic goon near the catching place and follow him until you battle him
ground/rock will be good
In Pokémon HeartGold, you can find the 3rd Gym Leader in Goldenrod City.
use phycic pokemon. but make sure you use giratina if you have one.