Red Water of Life

The 2nd Potion is an item in.

Locations and Uses
2nd Potion is a red, bottled drink that Link can purchase for 68 Rupees from any Old Woman in a Cave after he has shown one of them the Letter. They can also be obtained from Old Men who offer Link a choice between a Heart Container and a 2nd Potion. However, if Link chooses the 2nd Potion, he will permanently miss the Heart Container. If Link uses a 2nd Potion, he will drink it, restoring all of his Hearts. 2nd Potions can be used twice, but will change into the blue variety known as Life Potion after the first use.