Hmmm... tricky question there. Adi pondered. He wanted to come up with something other than stirring but quite truthfully, and he had a partial answer. He had no idea what that technique did though. Maybe he could bluff his way through the question.

The Hufflepuff raised a hand. "Turning off the heat. Erm. Maybe it activates the properties of the ingredients that make the potion what it is.''