Post #363323 by The Gnomon on Mon, Feb 25, 2008 6:37 AM

On 2008-02-25 06:21, kleptic wrote:
on another note, somebody said something about adding a little lemon juice. does that stop the rock candy from forming completely or what? I was curious what kind of things people put in besides water and sugar to keep really unstable batches from turning into bricks.

Candy makers use acidity to make their candy soft. The acidity inhibits the formation of crystals.