Pink tail problems

[DocFrance]

...and using them guarantees a battle with the rarest enemy in the current area.
Pink Puffs are pretty rare.

So if by using alarms, you have a 100% chance of encountering Pink Puffs, that means that you have a five in sixty-four chance to get a Pink Tail. That's roughly a 7.81% each battle. Not exactly easy, but much less time-consuming than a .12% chance of finding Pink Puffs and getting a Pink Tail.