you cannot buy a water stone
you cannot buy water stones you can get them with the hunter he lives in a house in the sea
You can't in Ruby, Sapphire, or emerald, you have to look for them.
none , u have to buy the water stone
You can buy one from the PokeMall.
buy it at the pokeathelon dome
you can buy Pokemon emerald, ruby, sapphire, firered and leafgreen at gamestop
you buy it
you buy it
you buy them at celedons department store.
You buy it with points at the Pokeathlon Dome.
You can buy it at Gamestop.
Buy it.