Here are some helpful tips for flavoring a liter of water with cocktail bitters:

  • Start with 10-15 dashes and adjust according to your taste preference.
  • Begin with a smaller amount of bitters and taste as you go.
  • Remember that some bitters are more potent than others, so adjust the quantity accordingly.
  • Consider whether you want a subtle or intense flavor, and add the bitters accordingly.

The key is experimenting and having fun to find the perfect balance for your taste.