When I take the level 3 Herbal Poultice Item, how does it work? It's a potion which does the following:
Use before you or an ally takes a short rest. The target of the herbal poultice regains an additional 2 hit points when he or she spends a healing surge at the end of the short rest.
Does the potion add extra healing to every healing surge the character spends during a short rest, or does it only add extra healing once?