It depends on how far in the game you are
pryce the ice type gym leader
You can buy water stones in the Pokeathlon with your points.
You have to beat the gym leader, Pryce, in Mahogany City.
travel to blackthorn and try to beat Claire
You need hm6. Lance giwes to you when you beat all the rockets in Mahogany town. And you need Pryce's badge.
In episode 239, which is called "As Cold As Pryce" and episode 240 called "Nice Pryce, Baby!"
There is no gym leader called Pryce.
you have to go right in front of the traners its the only way to get to pryce.
Inside Tin Tower after:Released the 3 dogs from Burnt TowerMet the guy in the path to Tin TowerObtained the Clear Bell from the Radio Tower (After defeating Pryce)
hes in magondy town
the lake of rage
He has a Dewgong and two Seel as far as i know