To get the secretpotion, you first have to have talked to Jasmine. She will then direct you to the Pharmacy in Cianwood. If the guy does not give it to you, then it means you have to beat Chuck first.
you are going to have to surf to cinnabar island and there will be a pharmacy there. talk to the guy and he will give you the secretpotion for free
You can only get the SecretPotion after you have talked to Jasmine in the Olivine Lighthouse. Then she will ask you to get Ampharos some Medicine. You go to Cianwood City and talk to the guy at the Pharmacy and he will give you SecretPotion for Ampharos.
you need to go to cianwood city's pharmacy shop talk to the guy and he will give u the secretpotion
u go to the pharmacy and talk to the guy da
He is just below the Pokemon Center in a house that has a sign next to it labeled 'pharmacy'. Go in and talk to the guy.
You need to go to Cianwood Pharmacy and get the Secretpotion.
You need the SecretPotion, which you get from the pharmacy in Cianwood City. You have to talk to Jasmine in the Lighthouse first before you get the SecretPotion.
Jasmine? You need to head to cianwood and get the secretpotion form the pharmacy :)
The serum you are talking about is actually called a secretpotion. You have to go to Cianwood City's pharmacy. Once you talk to the clerk, he'll give you the secretpotion to give to the Ampharos in the lighthouse.
you can get out the gym leader on the lighthouse is bring her a secretpotion that you can get to the cianwood pharmacy
A house in Cianwood has a guy who give you a Secretpotion. Use it on ampharos.
You get it at the Cianwood City Pharmacy. It is used to Cure The Lighthouse Pokemon Ampharos. This answer is right-on. the pharmacy in Cianwood City in the Johto Region, and it is used to cure the ailling lighthouse Pokemon ampharos.