Witcher Wiki
Witcher Wiki

The Witcher[]

Calcium equum is an alchemy ingredient that the following merchants will buy:

Journal Entry Source[]


  • This is one of the first ingredients Geralt learns about when he arrives at Kaer Morhen in the prologue. It is found in a chest in the evening hall on the second floor.
  • It is necessary for the brewing of A Potion for Triss.
  • It is commonly referred to as 'horse lime'.
  • As long as you don't have calcium equum in your inventory, the chest's supply can be endless. Just continue to open and close the chest without removing the contents: with each iteration the total amount of calcium equum in chest will have increased by one. Only remove the contents when you have reached the desired amount.

The Witcher 3: Wild Hunt[]

Calcium equum is an alchemy ingredient that is needed to craft the following items:

It can be purchased from the following merchants: